"Blade Runner", "Con Air", "Heavy Rain" - Cov neeg sawv cev ntawm cov kab lis kev cai no muaj dab tsi? Tag nrho, mus rau ib qho degree lossis lwm qhov, muaj cov duab kos duab Japanese qub ntawm daim ntawv folding - origami. Hauv cov yeeb yaj kiab, kev ua si thiab hauv lub neej tiag tiag, origami feem ntau siv los ua lub cim ntawm qee qhov kev xav, qee qhov nco lossis cov lus tshwj xeeb. Qhov no yog ntau dua ntawm kev xav ntawm origami, tab sis los ntawm kev tshawb fawb pom, ntau yam nthuav dav los ntawm ntau qhov chaw tau muab zais rau hauv daim ntawv: geometry, lej thiab txawm tias mechanics. Niaj hnub no peb yuav tau paub txog txoj kev tshawb fawb uas cov kws tshawb fawb los ntawm American Institute of Physics tau tsim cov ntaub ntawv khaws cia los ntawm folding / unfolding origami cov duab. Yuav ua li cas raws nraim daim ntawv nco daim npav ua haujlwm, cov hauv paus ntsiab lus dab tsi tau siv rau hauv nws, thiab cov ntaub ntawv ntau npaum li cas tuaj yeem khaws cia? Peb yuav pom cov lus teb rau cov lus nug no hauv cov kws tshawb fawb daim ntawv tshaj tawm. Mus.
Kev tshawb fawb hauv paus
Nws yog ib qho nyuaj rau hais tias thaum twg origami originated. Tab sis peb paub tseeb tias tsis pub dhau 105 AD. Nws yog xyoo no uas Cai Lun tau tsim daim ntawv hauv Suav teb. Tau kawg, ua ntej lub sijhawm no, daim ntawv twb muaj lawm, tab sis nws tsis yog ua los ntawm ntoo, tab sis los ntawm xyoob lossis lo lo ntxhuav. Thawj qhov kev xaiv tsis yooj yim, thiab qhov thib ob yog kim heev. Cai Lun tau ua hauj lwm los nrog ib daim ntawv qhia tshiab rau daim ntawv uas yuav yog lub teeb, pheej yig, thiab yooj yim ua. Txoj haujlwm tsis yooj yim, tab sis Cai Lun tig mus rau qhov nrov tshaj plaws ntawm kev tshoov siab - xwm. Rau lub sijhawm ntev nws tau pom cov tsiaj txhu, uas nws lub tsev tau ua los ntawm cov ntoo thiab cov ntoo fibers. Tsai Lun tau ua ntau yam kev sim uas nws siv ntau yam ntaub ntawv rau yav tom ntej ntawv (ntoo bark, tshauv thiab txawm nuv ntses nets) tov nrog dej. Lub resulting loj tau nteg tawm nyob rau hauv ib tug tshwj xeeb daim ntawv thiab qhuav nyob rau hauv lub hnub. Qhov tshwm sim ntawm no colossal ua hauj lwm yog ib yam khoom uas yog prosaic rau niaj hnub txiv neej - ntawv.
Xyoo 2001, lub tiaj ua si muaj npe tom qab Cai Lun tau qhib hauv nroog Leiyang (Tuam Tshoj).
Kev nthuav tawm ntawm daim ntawv mus rau lwm lub teb chaws tsis tshwm sim tam sim ntawd; tsuas yog thaum pib ntawm lub xyoo pua XNUMXth nws daim ntawv qhia tau mus txog Kauslim Teb thiab Nyij Pooj, thiab daim ntawv mus txog Tebchaws Europe tsuas yog nyob rau xyoo XNUMX-XNUMXth.
Qhov pom tseeb tshaj plaws ntawm kev siv ntawv yog, ntawm chav kawm, cov ntawv sau thiab luam ntawv. Txawm li cas los xij, cov neeg Nyij Pooj pom kev siv ntau dua rau nws - origami, i.e. folding ntawv daim duab.
Kev mus ncig luv luv rau hauv lub ntiaj teb ntawm origami thiab engineering.
Muaj ntau ntau yam kev xaiv origami, nrog rau cov tswv yim ua rau lawv: yooj yim origami, kusudama (modular), ntub folding, qauv origami, kirigami, thiab lwm yam. ()
Los ntawm kev tshawb fawb pom, origami yog ib qho khoom siv metamaterial uas nws cov khoom raug txiav txim siab los ntawm nws cov geometry, thiab tsis yog los ntawm cov khoom ntawm cov khoom uas nws tau tsim. Nws tau raug pom zoo rau qee lub sijhawm uas muaj ntau yam XNUMXD cov qauv siv tau nrog cov khoom tshwj xeeb tuaj yeem tsim tau siv cov qauv origami rov ua dua.
Duab #1
Ntawm daim duab 1b qhia ib qho piv txwv ntawm xws li cov qauv - ib tug deployable bellows, ua los ntawm ib daim ntawv raws li daim duab ntawm 1. Los ntawm cov kev xaiv origami muaj, cov kws tshawb fawb tau txheeb xyuas qhov sib txawv ntawm cov mosaic ntawm cov vaj huam sib luag zoo sib xws uas tau teeb tsa hauv kev sib tw cyclic, hu ua Kroesling origami, yog siv.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov qauv ntawm origami tuaj nyob rau hauv ob hom: nruj thiab tsis nruj.
Rigid origami yog ib qho qauv peb-dimensional uas tsuas yog cov folds ntawm cov panels undergo deformation thaum unfolding.
Ib qho piv txwv tseem ceeb ntawm kev nruj origami yog Miura-ori, siv los tsim cov khoom siv hluav taws xob nrog qhov tsis zoo Poisson tus piv. Cov khoom siv no muaj ntau yam kev siv: kev tshawb nrhiav chaw, deformable electronics, cov leeg nqaij thiab, tau kawg, reprogrammable mechanical metamaterials.
Non-rigid origami yog cov qauv peb-dimensional uas nthuav tawm tsis-rigid elastic deformation ntawm panels ntawm folds thaum unfolding.
Ib qho piv txwv ntawm xws li origami variant yog tus qauv Kroesling yav dhau los, uas tau siv los tsim cov qauv nrog tunable multi-stability, nruj, deformation, softening / hardening, thiab / los yog zero stiffness.
Cov txiaj ntsig tshawb fawb
Kev tshoov siab los ntawm kev kos duab thaum ub, cov kws tshawb fawb tau txiav txim siab siv Kroesling's origami los tsim ib pawg ntawm cov tshuab hluav taws xob binary uas tuaj yeem raug yuam kom hloov ntawm ob lub xeev zoo li qub uas siv tib lub tswv yim tswj hauv daim ntawv ntawm kev sib haum xeeb zoo siab siv rau lub hauv paus ntawm kev hloov. .
Raws li pom los ntawm 1b, lub hauv siab yog tsau ntawm ib kawg thiab raug rau ib qho kev thauj khoom sab nraud hauv x kev taw qhia ntawm lwm qhov kawg dawb. Vim li no, nws dhau mus ib txhij deflection thiab kev sib hloov raws thiab ib ncig ntawm x-axis. Lub zog khaws cia thaum lub sij hawm deformation ntawm lub hauv siab yog tso tawm thaum lub load sab nraud raug tshem tawm, ua rau lub hauv siab rov qab mus rau nws qhov qub.
Cias muab tso, peb tab tom saib lub caij nplooj ntoos hlav torsion uas nws lub zog rov qab los nyob ntawm cov duab ntawm lub hauv siab lub peev xwm ua haujlwm. Qhov no nyob rau hauv lem nyob ntawm cov geometric tsis (a0, b0, Ξ³0) ntawm daim duab peb sab sib xyaw siv los tsim cov bellows, nrog rau tag nrho cov naj npawb (n) ntawm cov duab peb sab (1).
Rau ib qho kev sib xyaw ua ke ntawm cov qauv tsim geometric, lub hauv siab lub zog muaj peev xwm ua haujlwm muaj qhov tsawg kawg nkaus sib haum rau ib qho chaw sib npaug. Rau lwm cov kev sib txuas ua ke, lub zog muaj peev xwm muaj peev xwm muaj ob qhov minima sib haum rau ob qhov chaw ruaj khov zoo li qub, txhua qhov cuam tshuam nrog qhov sib npaug sib txawv qhov siab lossis, hloov pauv, lub caij nplooj ntoos hlav deflection (1c ib). Hom caij nplooj ntoos hlav no feem ntau hu ua bistable (video hauv qab no).
Ntawm daim duab 1d qhia cov geometric tsis ua rau tsim lub caij nplooj ntoos hlav bistable thiab cov tsis ua rau tsim lub caij nplooj ntoos hlav monostable rau n = 12.
Lub caij nplooj ntoos hlav bistable tuaj yeem nres ntawm ib qho ntawm nws txoj haujlwm sib npaug thaum tsis muaj cov khoom siv sab nraud thiab tuaj yeem qhib kom hloov ntawm lawv thaum lub zog tsim nyog muaj. Nws yog cov cuab yeej no uas yog lub hauv paus ntawm txoj kev tshawb no, uas tshuaj xyuas qhov tsim ntawm Kroesling mechanical keyboards (KIMS los ntawm Kresling-inspired mechanical keyboards) nrog ob lub xeev binary.
Tshwj xeeb, raws li qhia hauv 1c, qhov hloov pauv tuaj yeem ua kom muaj kev hloov pauv ntawm nws ob lub xeev los ntawm kev muab lub zog txaus los kov yeej lub peev xwm thaiv (βE). Lub zog tuaj yeem muab nkag rau hauv daim ntawv ntawm qeeb quasi-static actuation lossis los ntawm kev siv lub teeb liab sib haum xeeb rau lub hauv paus ntawm kev hloov nrog ib qho excitation zaus ze rau lub zos resonant zaus ntawm lub hloov nyob rau hauv nws ntau yam equilibrium xeev. Hauv txoj kev tshawb no, nws tau txiav txim siab los siv qhov kev xaiv thib ob, vim tias kev ua haujlwm ntawm kev sib raug zoo yog qhov zoo tshaj rau kev ua haujlwm quasi-static hauv qee qhov kev hwm.
Ua ntej, resonant actuation yuav tsum muaj tsawg zog los hloov thiab feem ntau sai dua. Qhov thib ob, resonant switching yog insensitive rau sab nraud cuam tshuam uas tsis resonate nrog lub hloov nyob rau hauv nws lub zos lub xeev. Thib peb, txij li qhov muaj peev xwm ua haujlwm ntawm qhov hloov pauv feem ntau yog asymmetrical nrog rau qhov tsis ruaj khov ntawm qhov sib npaug U0, cov yam ntxwv ntawm kev sib haum xeeb xav tau rau kev hloov ntawm S0 mus rau S1 feem ntau txawv ntawm cov uas yuav tsum tau hloov ntawm S1 mus rau S0, uas ua rau muaj peev xwm ua tau. excitation-xaiv binary hloov.
Qhov kev teeb tsa KIMS no yog qhov zoo tshaj plaws rau kev tsim cov khoom siv ntau yam khoom siv lub cim xeeb siv ntau lub binary keyboards nrog cov yam ntxwv sib txawv muab tso rau ntawm ib qho kev sib haum xeeb uas tau tsav lub platform. Lub creation ntawm xws li ib tug ntaus ntawv yog vim lub rhiab heev ntawm cov duab ntawm lub peev xwm zog muaj nuj nqi ntawm kev hloov mus rau cov kev hloov nyob rau hauv lub geometric tsis ntawm lub ntsiab panels (1s ua).
Yog li ntawd, ntau yam KIMS nrog cov qauv tsim sib txawv tuaj yeem muab tso rau ntawm tib lub platform thiab zoo siab rau kev hloov pauv ntawm ib lub xeev mus rau lwm qhov, ib tus zuj zus los yog ua ke siv cov txheej txheem sib txawv.
Nyob rau theem ntawm kev sim ua tau zoo, qhov hloov pauv tau tsim los ntawm daim ntawv nrog qhov ceev ntawm 180 g / m2 nrog geometric tsis: Ξ³0 = 26.5 Β°; b0/a0 = 1.68; a0 = 40 mm thiab n = 12. Cov no yog cov tsis, txiav txim los ntawm cov zauv (1d), thiab ua rau lub caij nplooj ntoos hlav tshwm sim ua bistable. Cov kev xam tau ua los ntawm kev siv cov qauv yooj yim ntawm cov axial truss (rod qauv) ntawm lub hauv siab.
Siv lub laser, cov kab perforated tau ua rau ntawm ib daim ntawv (1), uas yog qhov chaw folding. Folds tau ua raws li cov npoo b0 (kho tawm sab nraud) thiab Ξ³0 (kov sab hauv), thiab cov npoo ntawm qhov kawg tau nruj nreem koom. Sab saum toj thiab hauv qab ntawm qhov hloov pauv tau ntxiv nrog acrylic polygons.
Lub zog rov qab nkhaus ntawm qhov hloov pauv tau tau sim los ntawm kev sib tw thiab kev ntsuas tensile ua rau ntawm lub tshuab ntsuas thoob ntiaj teb nrog kev teeb tsa tshwj xeeb uas tso cai rau lub hauv paus tig thaum lub sijhawm ntsuas (1f).
Qhov kawg ntawm acrylic hloov polygon tau ruaj khov, thiab kev tswj kev hloov pauv tau siv rau sab saum toj polygon ntawm lub hom phiaj ceev ntawm 0.1 mm / s. Tensile thiab compressive displacements tau siv cyclically thiab txwv rau 13 hli. Tsuas yog ua ntej qhov kev sim tiag tiag ntawm lub cuab yeej, qhov hloov pauv tau hloov kho los ntawm kev ua kaum lub voj voog thauj khoom ua ntej lub zog rov ua haujlwm raug kaw siv 50N load cell. Ntawm 1g qhia txog qhov rov qab quab yuam nkhaus ntawm qhov hloov tau tau sim.
Tom ntej no, los ntawm kev sib koom ua ke qhov nruab nrab rov ua kom lub zog ntawm qhov hloov pauv ntawm qhov kev ua haujlwm, lub peev xwm muaj peev xwm ua haujlwm (1h). Qhov minima nyob rau hauv lub zog muaj peev xwm sawv cev rau static equilibria txuam nrog ob lub xeev hloov (S0 thiab S1). Rau qhov kev teeb tsa tshwj xeeb no, S0 thiab S1 tshwm sim ntawm kev xa tawm qhov siab u = 48 hli thiab 58.5 hli, feem. Lub zog muaj peev xwm ua tau kom meej meej asymmetric nrog sib txawv zog teeb meem βE0 ntawm point S0 thiab βE1 ntawm point S1.
Cov keyboards tau muab tso rau ntawm lub tshuab hluav taws xob electrodynamic shaker, uas muab kev tswj kom muaj zog ntawm lub hauv paus hauv axial kev taw qhia. Nyob rau hauv teb rau excitation, sab saum toj nto ntawm lub hloov oscillates nyob rau hauv ib tug ntsug kev taw qhia. Txoj hauj lwm ntawm qhov saum npoo ntawm qhov hloov mus rau lub hauv paus yog ntsuas siv lub laser vibrometer (2).
Duab #2
Nws tau pom tias lub zos resonant zaus ntawm kev hloov rau nws ob lub xeev yog 11.8 Hz rau S0 thiab 9.7 Hz rau S1. Txhawm rau pib kev hloov pauv ntawm ob lub xeev, uas yog, tawm ntawm muaj peev xwm zoo *, ib qho qeeb heev (0.05 Hz / s) bidirectional linear zaus cheb tau ua nyob ib ncig ntawm cov zaus txheeb xyuas nrog lub hauv paus acceleration ntawm 13 ms-2. Tshwj xeeb, KIMS tau pib nyob ntawm S0 thiab qhov nce zaus cheb tau pib ntawm 6 Hz.
Muaj peev xwm zoo * - thaj av uas muaj qhov tsawg kawg nkaus hauv zos ntawm lub peev xwm lub zog ntawm cov khoom.
Raws li pom nyob rau 2b, thaum lub sij hawm excitation mus txog kwv yees li 7.8 Hz, qhov hloov mus rau qhov zoo S0 thiab nkag mus rau lub peev xwm zoo S1. Qhov hloov mus txuas ntxiv nyob rau hauv S1 raws li qhov zaus tau nce ntxiv.
Tom qab ntawd qhov kev hloov pauv tau teem rau S0 dua, tab sis lub sijhawm no lub downsweep tau pib ntawm 16 Hz. Nyob rau hauv cov ntaub ntawv no, thaum lub zaus mus txog 8.8 Hz, qhov hloov tawm S0 thiab nkag mus thiab tseem nyob rau hauv lub peev xwm zoo S1.
Lub xeev S0 muaj kev ua haujlwm ntawm 1 Hz [7.8, 8.8] nrog kev nrawm ntawm 13 ms-2, thiab S1 - 6...7.7 Hz (2c ib). Nws ua raws li KIMS tuaj yeem xaiv hloov ntawm ob lub xeev los ntawm kev sib haum xeeb excitation ntawm lub hauv paus ntawm tib qhov loj tab sis txawv zaus.
Kev hloov pauv bandwidth ntawm KIMS muaj kev vam meej ntawm cov duab ntawm nws lub zog muaj peev xwm ua haujlwm, cov yam ntxwv damping, thiab kev sib haum xeeb excitation tsis tau (ntau zaus thiab qhov loj). Tsis tas li ntawd, vim qhov softening nonlinear tus cwj pwm ntawm tus tes hloov, lub activation bandwidth tsis tas yuav suav nrog cov linear resonant zaus. Yog li, nws yog ib qho tseem ceeb uas daim ntawv qhia kev hloov pauv tau tsim rau txhua tus KIMS tus kheej. Daim ntawv qhia no yog siv los qhia qhov zaus thiab qhov loj ntawm excitation uas ua rau hloov ntawm ib lub xeev mus rau lwm qhov thiab rov ua dua.
Xws li daim ntawv qhia tuaj yeem tsim kev sim los ntawm kev sib tw ntau zaus ntawm ntau qib excitation, tab sis cov txheej txheem no yog siv zog heev. Yog li ntawd, cov kws tshawb fawb tau txiav txim siab nyob rau theem no kom hloov mus rau kev hloov pauv, siv lub peev xwm ua haujlwm tau txiav txim siab thaum lub sijhawm sim (1h).
Tus qauv xav tias tus cwj pwm tsis zoo ntawm qhov hloov pauv tuaj yeem kwv yees tau zoo los ntawm kev ua haujlwm ntawm asymmetric bistable Helmholtz-Duffing oscillator, qhov sib npaug ntawm cov lus tsa suab uas tuaj yeem hais tau raws li hauv qab no:
qhov twg u - kev sib txawv ntawm lub ntsej muag txav tau ntawm acrylic polygon txheeb ze rau qhov ruaj khov; m - ua haujlwm loj ntawm qhov hloov; c - viscous damping coefficient txiav txim siab sim; ais-bistable rov qab quab yuam coefficients; ab thiab Ξ© yog ββlub hauv paus magnitude thiab acceleration zaus.
Lub luag haujlwm tseem ceeb ntawm kev simulation yog siv cov qauv no los tsim kom muaj kev sib txuas ntawm ab thiab Ξ© uas tso cai rau kev hloov ntawm ob lub xeev sib txawv.
Cov kws tshawb fawb tau sau tseg tias qhov tseem ceeb ntawm kev ua kom lub cev muaj zog uas lub bistable oscillator hloov ntawm ib lub xeev mus rau lwm qhov tuaj yeem kwv yees los ntawm ob zaus. bifurcations *: lub sij hawm ob npaug ntawm bifurcation (PD) thiab cyclic fold bifurcation (CF).
Bifurcation * - Kev hloov pauv zoo ntawm lub kaw lus los ntawm kev hloov pauv cov kev txwv uas nws nyob.
Siv qhov kwv yees, zaus teb nkhaus ntawm KIMS tau tsim nyob rau hauv nws ob lub xeev. Ntawm daim duab 2s ua qhia cov lus teb zaus nkhaus ntawm qhov hloov ntawm S0 rau ob theem sib txawv hauv paus acceleration.
Ntawm lub hauv paus acceleration ntawm 5 ms-2, amplitude-frequency nkhaus qhia me ntsis softening, tab sis tsis muaj instability los yog bifurcations. Yog li, qhov hloov pauv tseem nyob hauv lub xeev S0 txawm tias qhov hloov pauv li cas.
Txawm li cas los xij, thaum lub hauv paus acceleration yog nce mus rau 13 ms-2, stability txo vim PD bifurcation raws li kev tsav tsheb zaus txo.
Siv tib lub tswv yim, zaus teb nkhaus ntawm qhov hloov hauv S1 tau txais (2f). Ntawm qhov acceleration ntawm 5 ms-2, cov qauv pom zoo ib yam. Txawm li cas los xij, raws li lub hauv paus acceleration nce mus rau 10ms-2 PD thiab CF bifurcations tshwm sim. Zoo siab qhov hloov ntawm txhua zaus ntawm ob qhov kev sib tw no ua rau muaj kev hloov ntawm S1 mus rau S0.
Cov ntaub ntawv simulation qhia tau hais tias muaj cov cheeb tsam loj hauv daim ntawv qhia kev ua haujlwm uas txhua lub xeev tuaj yeem qhib rau hauv ib txoj kev tshwj xeeb. Qhov no tso cai rau koj xaiv qhov hloov pauv ntawm ob lub xeev nyob ntawm qhov zaus thiab qhov loj ntawm qhov tshwm sim. Nws tseem tuaj yeem pom tias muaj thaj chaw uas ob lub xeev tuaj yeem hloov mus ib txhij.
Duab #3
Kev sib xyaw ua ke ntawm ob peb KIMS tuaj yeem siv los tsim kom muaj kev nco txog ntau yam khoom. Los ntawm kev sib txawv ntawm qhov hloov pauv geometry kom cov duab ntawm lub zog muaj peev xwm ua haujlwm ntawm ob lub keyboards sib txawv txaus, nws muaj peev xwm tsim qhov ua kom muaj bandwidth ntawm cov keyboards kom lawv tsis sib tshooj. Vim li no, txhua qhov hloov pauv yuav muaj qhov tshwj xeeb excitation tsis.
Txhawm rau ua kom pom cov txheej txheem no, 2-ntsis board tau tsim los ntawm ob lub keyboards nrog cov yam ntxwv sib txawv (3): ntsis 1 - Ξ³0 = 28 Β°; b0/a0 = 1.5; a0 = 40 mm thiab n = 12; ntsis 2 - Ξ³0 = 27 Β°; b0/a0 = 1.7; a0 = 40 mm thiab n = 12.
Txij li txhua qhov me me muaj ob lub xeev, tag nrho plaub lub xeev sib txawv S00, S01, S10 thiab S11 tuaj yeem ua tiav (3b). Cov lej tom qab S qhia tus nqi ntawm sab laug (ntsis 1) thiab sab xis (ntsis 2) hloov pauv.
Tus cwj pwm ntawm 2-ntsis hloov yog qhia hauv video hauv qab no:
Raws li cov cuab yeej no, koj tuaj yeem tsim ib pawg ntawm cov keyboards, uas tuaj yeem yog lub hauv paus ntawm ntau lub tshuab nco boards.
Rau cov ncauj lus kom ntxaws ntxiv nrog cov nuances ntawm txoj kev tshawb no, kuv xav kom saib ΠΈ rau nws.
Epilogue
Nws tsis zoo li tias ib qho ntawm cov neeg tsim ntawm origami tuaj yeem xav txog yuav ua li cas lawv tsim yuav siv nyob rau hauv lub ntiaj teb niaj hnub no. Ntawm qhov tod tes, qhov no qhia txog ntau yam ntawm cov ntsiab lus uas muab zais rau hauv cov ntawv zoo tib yam; ntawm qhov tod tes, tias kev tshawb fawb niaj hnub no muaj peev xwm siv cov ntsiab lus no los tsim ib yam dab tsi tshiab.
Hauv txoj haujlwm no, cov kws tshawb fawb tau siv Kroesling's origami geometry los tsim ib qho kev hloov kho yooj yim uas tuaj yeem ua tau nyob rau hauv ob lub xeev sib txawv, nyob ntawm qhov kev nkag tsis tau. Qhov no tuaj yeem muab piv rau 0 thiab 1, uas yog cov ntaub ntawv qub.
Cov khoom siv tau raug muab tso ua ke rau hauv lub tshuab nco tau muaj peev xwm khaws cia 2 khoom. Paub tias ib tsab ntawv yuav siv li 8 ntsis (1 byte), cov lus nug tshwm sim: pes tsawg tus origami zoo sib xws yuav tsum tau sau "Kev Tsov Rog thiab Kev Thaj Yeeb," piv txwv.
Cov kws tshawb fawb tau paub zoo txog qhov tsis ntseeg tias lawv txoj kev loj hlob tuaj yeem ua rau. Txawm li cas los xij, raws li lawv, qhov kev tshawb fawb no yog kev tshawb nrhiav hauv thaj chaw ntawm kev nco. Tsis tas li ntawd, lub origami siv hauv qhov kev sim yuav tsum tsis txhob loj; lawv qhov ntev tuaj yeem txo qis yam tsis muaj kev cuam tshuam lawv cov khoom.
Yuav ua li cas los xij, txoj haujlwm no tsis tuaj yeem hu ua dog dig, banal lossis tho txawv. Kev tshawb fawb tsis yog ib txwm siv los tsim ib yam dab tsi tshwj xeeb, thiab cov kws tshawb fawb tsis tas yuav pib paub tias lawv tsim dab tsi. Tom qab tag nrho, feem ntau inventions thiab discoveries yog tshwm sim ntawm ib lo lus nug yooj yim - yog dab tsi?
Ua tsaug rau kev saib, nyob xav paub thiab muaj lub lis piam zoo rau txhua tus! π
Kev tshaj tawm me ntsis
Ua tsaug uas koj tau nyob nrog peb. Koj puas nyiam peb cov ntawv? Xav pom cov ntsiab lus nthuav ntxiv? Txhawb nqa peb los ntawm kev tso ib qho kev txiav txim lossis qhia rau cov phooj ywg, , ib qho tshwj xeeb analogue ntawm nkag-theem servers, uas tau tsim los ntawm peb rau koj: (muaj nrog RAID1 thiab RAID10, mus txog 24 cores thiab mus txog 40GB DDR4).
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Tau qhov twg los: www.hab.com