I-Wolverine, i-Deadpool ne-Jellyfish abafana ngani? Bonke banesici esimangalisayo - ukuvuselelwa. Yiqiniso, kumahlaya namafilimu, leli khono, elivamile phakathi kwenani elilinganiselwe kakhulu lezinto eziphilayo zangempela, liyihaba kancane (futhi ngezinye izikhathi kakhulu), kodwa lihlala lingokoqobo kakhulu. Futhi lokho okungokoqobo kungachazwa, okuyilokho ososayensi baseYunivesithi yaseTohoku (eJapane) abanqume ukukwenza ocwaningweni lwabo olusha. Yiziphi izinqubo zamangqamuzana emzimbeni we-jellyfish ezihlotshaniswa nokuzalwa kabusha, iqhubeka kanjani le nqubo, futhi yimaphi amanye amandla amakhulu lezi zidalwa ezinjengejeli ezinawo? Umbiko weqembu locwaningo uzositshela ngalokhu. Hamba.
Isisekelo socwaningo
Okokuqala, ososayensi bayachaza ukuthi kungani benqume ukugxila ku-jellyfish. Iqiniso liwukuthi ucwaningo oluningi emkhakheni we-biology lwenziwa ngokubamba iqhaza kwezinto ezibizwa ngokuthi imodeli: amagundane, izimpukane zezithelo, izibungu, izinhlanzi, njll. Kodwa iplanethi yethu iyikhaya lezigidi zezinhlobo zezinto eziphilayo, ngasinye esinekhono elilodwa noma elinye eliyingqayizivele. Ngenxa yalokho, akunakwenzeka ukuhlola ngokugcwele inqubo yokuvuselelwa kwamangqamuzana ngokutadisha uhlobo olulodwa kuphela, futhi sicabange ukuthi indlela efundwayo izoba yinto evamile kuzo zonke izidalwa ezisemhlabeni.
Ngokuqondene ne-jellyfish, lezi zidalwa, ngokubukeka kwazo, zikhuluma ngobungqayizivele bazo, obungenakukwazi ukuheha ukunaka kososayensi. Ngakho-ke, ngaphambi kokuqala ukuhlukaniswa kocwaningo ngokwalo, ngahlangana nomlingiswa walo oyinhloko.
Igama elithi "jellyfish," esijwayele ukubiza isidalwa kanjalo, empeleni libhekisela kuphela esigabeni somjikelezo wokuphila we-cnidarian subtype. i-medusozoa. AmaCnidarians athola igama elinjalo elingavamile ngenxa yokuba khona kwamangqamuzana ahlabayo (cnidocytes) emizimbeni yawo, asetshenziselwa ukuzingela nokuzivikela. Kalula nje, lapho uhlatshwa i-jellyfish, ungawabonga la maseli ngobuhlungu nokuhlupheka.
Ama-Cnidocyte aqukethe ama-cnidocysts, i-organelle ye-intracellular enesibopho somphumela "ohlabayo". Ngokubukeka kwabo futhi, ngokufanele, indlela yokusetshenziswa, izinhlobo eziningana zama-cnidocyte zihlukaniswa, phakathi kwazo:
- abangene - imicu eneziphetho ezicijile ezibhoboza umzimba womuntu ohlukunyeziwe noma owonile njengemikhonto, ijova i-neurotoxin;
- ama-glutinants - izintambo ezinamathelayo nezinde ezimboza isisulu (hhayi ukwanga okumnandi kakhulu);
- ama-volvents ayizintambo ezimfushane lapho isisulu singabhajwa khona kalula.
Izikhali ezinjalo ezingajwayelekile zichazwa yiqiniso lokuthi i-jellyfish, nakuba inomusa, ayizona izidalwa ezithambile. I-neurotoxin engena emzimbeni wesilwane esizingelayo iyasikhubaza ngaso leso sikhathi, okunikeza i-jellyfish isikhathi esiningi sekhefu lesidlo sasemini.
I-Jellyfish ngemva kokuzingela ngempumelelo.
Ngaphezu kwendlela yabo engavamile yokuzingela nokuzivikela, i-jellyfish inokukhiqiza okungavamile kakhulu. Abesilisa bakhiqiza isidoda, kanti abesifazane bakhiqiza amaqanda, emva kokuhlanganiswa kwawo ama-planulae (izibungu) akhiwe, ahlale phansi. Ngemva kwesikhashana, i-polyp ikhula kusukela ku-larva, lapho, lapho ifinyelela ukuvuthwa, i-jellyfish encane ihlukana ngokoqobo (empeleni, ukuhluma kwenzeka). Ngakho, kunezigaba eziningana zomjikelezo wokuphila, esinye sazo i-jellyfish noma isizukulwane se-medusoid.
I-cyanea enoboya, eyaziwa nangokuthi i-lion's mane.
Uma i-cyanea enoboya ibuzwa ukuthi ingakwandisa kanjani ukusebenza kahle kokuzingela, ingaphendula - amatende amaningi. Bangaba ngu-60 sebebonke (amaqoqo amatende ayi-15 ekhoneni ngalinye ledome). Ngaphezu kwalokho, lolu hlobo lwe-jellyfish lubhekwa njengento enkulu kunazo zonke, ngoba ububanzi bedome bungafinyelela amamitha angu-2, futhi amatende angakwazi ukwelula amamitha angu-20 ngesikhathi sokuzingela. Ngenhlanhla, lolu hlobo alulona ikakhulukazi "ubuthi" ngakho-ke alubulali kubantu.
Umnyovu wasolwandle wona wawungangeza ubungako ebuningini. Lolu hlobo lwe-jellyfish luphinde lube namatende angu-15 (amamitha amathathu ubude) ekhoneni ngalinye kwamane edome, kodwa ubuthi bayo bunamandla ngokuphindwe kaningi kunesihlobo sawo esikhulu. Kukholakala ukuthi umnyovu wasolwandle une-neurotoxin eyanele ukubulala abantu abangama-3 emizuzwini emi-60. Lokhu kuduma kwezulu kolwandle kuhlala endaweni esogwini olusenyakatho ye-Australia naseNew Zealand. Ngokusho kwedatha kusukela ngo-3 kuya ku-1884, abantu abangu-1996 bafa e-Australia, kodwa le datha ingase ingalungile, futhi inani lokuhlangana okubulalayo phakathi kwabantu neminyovu yasolwandle lingase libe phezulu kakhulu. Kodwa-ke, ngokusho kwedatha ye-63-1991, phakathi kwamacala angu-2004, kuphela i-225% yezisulu ezilaliswe esibhedlela, kuhlanganise nokufa okukodwa (ingane eneminyaka emithathu ubudala).
umuvi wasolwandle
Manje ake sibuyele esifundweni esibheke kuso namuhla.
Ngokombono wamangqamuzana, inqubo ebaluleke kakhulu empilweni yonke yanoma iyiphi into ephilayo ukusabalala kwamangqamuzana - inqubo yokukhula kwezicubu zomzimba ngokukhiqizwa kwamaseli ngokuhlukana. Ngesikhathi sokukhula komzimba, le nqubo ilawula ukwanda kobukhulu bomzimba. Futhi lapho umzimba usuwakheke ngokugcwele, amangqamuzana andayo alawula ukushintshaniswa komzimba kwamangqamuzana futhi esikhundleni sawo alimele afakwe amasha.
AmaCnidarians, njengeqembu elingudade lama-bilaterians kanye nama-metazoan akuqala, asetshenziselwe ukutadisha izinqubo zokuziphendukela kwemvelo iminyaka eminingi. Ngakho-ke, ama-cnidarians awahlukile ngokuya ngokwanda. Isibonelo, ngesikhathi sokuthuthukiswa kwe-embryonic ye-anemone yasolwandle I-Nematostella vectensis ukwanda kwamaseli kuhlanganiswa nenhlangano ye-epithelial futhi kuhileleke ekuthuthukisweni kwetende.
I-Nematostella vectensis
Phakathi kwezinye izinto, ama-cnidarians, njengoba sesazi kakade, aziwa ngamakhono awo okuvuselela. Ama-polyps ama-Hydra (uhlobo lwama-sessile coelenterates amanzi ahlanzekile avela ekilasini le-hydroid) athathwe njengawaziwa kakhulu phakathi kwabacwaningi amakhulu eminyaka. Ukwanda, okwenziwa kusebenze amaseli afayo, kubangela inqubo yokuvuselelwa kwekhanda le-basal le-hydra. Lona kanye igama lalesi sidalwa libhekisela esidalwa sasenganekwaneni esaziwa ngokuzalwa kabusha - i-Lernaean Hydra, u-Hercules akwazi ukuyinqoba.
Nakuba amakhono okuvuselela aye axhunyaniswa nokwanda, akukacaci kahle ukuthi le nqubo yeselula yenzeka kanjani ngaphansi kwezimo ezivamile ezigabeni ezihlukahlukene zokuthuthukiswa kwezinto eziphilayo.
I-Jellyfish, enomjikelezo wokuphila oyinkimbinkimbi ohlanganisa izigaba ezimbili zokuzala (imifino kanye nezocansi), isebenza njengesibonelo esihle kakhulu sokutadisha ukwanda.
Kulo msebenzi, indima yomuntu oyinhloko ofundisiwe yadlalwa yi-jellyfish yezinhlobo ze-Cladonema pacificum. Lolu hlobo luhlala ogwini lwaseJapan. Ekuqaleni, le jellyfish inamatende amakhulu angu-9, aqala ukuhluma futhi akhule ngosayizi (njengomzimba wonke) ngesikhathi sokukhula komuntu omdala. Lesi sici sisivumela ukuthi sifunde kabanzi ngazo zonke izindlela ezibandakanyekayo kule nqubo.
Ngaphezu kwe I-Cladonema pacificum Ucwaningo luphinde lwabheka ezinye izinhlobo ze-jellyfish: U-Cytae ufanae ΠΈ I-Rathkea octopunctata.
Imiphumela yocwaningo
Ukuze uqonde iphethini yendawo yokwanda kwamaseli ku-Cladonema medusa, ososayensi basebenzisa i-5-ethynyl-2'-deoxyuridine (EdU) staining, ebhala amaseli ngo S-isigaba* noma amaseli asevele eyidlulisile.
S-isigaba* - isigaba somjikelezo weseli lapho ukuphindaphinda kwe-DNA kwenzeka.
Njengoba kunikezwe lokho I-Cladonema ikhula kakhulu ngosayizi futhi ikhombisa ukuhlangana kwetende ngesikhathi sokuthuthuka (1A-1C), ukusatshalaliswa kwamaseli andayo kungase kushintshe kukho konke ukuvuthwa.
Isithombe esingu-1: izici zokwanda kwamaseli ku-Cladonema encane.
Ngenxa yalesi sici, kube nokwenzeka ukutadisha indlela yokwanda kwamaseli kukho kokubili abasha (usuku 1) nabavuthiwe ngokocansi (usuku lwama-45) i-jellyfish.
Ku-juvenile jellyfish, amaseli e-EDU-positive atholakala enanini eliphezulu kuwo wonke umzimba, kuhlanganise ne-umbel, i-manubrium (isitho esisekela i-oral cavity ku-jellyfish), kanye namatende, kungakhathaliseki ukuthi i-EDU ihlaselwe ngasiphi isikhathi (1D-1K ΠΈ 1N-1O, EdU: 20 Β΅M (micromolar) ngemva kwamahora angu-24).
Kutholakale amaseli ambalwa ane-EDU-positive ku-manubrium (1F ΠΈ 1G), kodwa esambulela ukusabalalisa kwawo kwakufana kakhulu, ikakhulukazi egobolondweni elingaphandle lesambulela (i-exumbrella, 1H-1K). Kumatende, amaseli e-EDU-positive ayehlangene kakhulu (1N). Ukusetshenziswa komaka we-mitotic (PH3 antibody) kwenze kwaba nokwenzeka ukuqinisekisa ukuthi amaseli e-EDU-positive angamaseli andayo. Amaseli a-PH3-positive atholwe kukho kokubili isambulela kanye ne-tentacle bulb (1L ΠΈ 1P).
Kumatende, amaseli e-mitotic atholakala ikakhulukazi ku-ectoderm (1P), ngenkathi esesambulela amangqamuzana ayandayo atholakala ongqimbeni olungaphezulu (1M).
Isithombe esingu-2: izici zokwanda kwamaseli ku-Cladonema evuthiwe.
Kubantu abasha nabavuthiwe, amaseli e-EDU-positive atholakala ngamanani amakhulu kuwo wonke umzimba. Ku-umbel, amaseli e-EDU-positive ayevame ukutholakala ongqimbeni olungaphezulu kunasengqimbeni engezansi, efana nokubhekwa kwezingane (2A-2D).
Kodwa ematendeni isimo sasithe ukuhluka. Amaseli e-EDU-positive anqwabelana phansi kwetende (isibani), lapho kwatholakala khona amaqoqo amabili nhlangothi zombili zebulb (2E ΠΈ 2F). Kubantu abasha, ukuqoqwa okufanayo kuye kwabonwa (1N), i.e. ama-tentacle bulb angase abe indawo eyinhloko yokwanda kulo lonke isigaba se-medusoid. Kuyathakazelisa ukuthi ku-manubrium yabantu abadala inani lamaseli ane-EDU-positive lalilikhulu kakhulu kunasezinganeni.2G ΠΈ 2H).
Umphumela omaphakathi wukuthi ukwanda kwamaseli kungenzeka ngendlela efanayo esambulela se-jellyfish, kodwa ematendeni le nqubo isendaweni kakhulu. Ngakho-ke, kungacatshangwa ukuthi ukwanda kwamangqamuzana afanayo kungalawula ukukhula komzimba kanye ne-homeostasis yezicubu, kodwa amaqoqo amangqamuzana akhula eduze nama-tentacle bulbs ahilelekile ku-tentacle morphogenesis.
Mayelana nokuthuthukiswa komzimba ngokwawo, ukwanda kudlala indima ebalulekile ekukhuleni komzimba.
Isithombe #3: Ukubaluleka kokwanda ohlelweni lokukhula komzimba we-jellyfish.
Ukuze bakuhlole lokhu ngokwenza, ososayensi baqaphe ukukhula komzimba we-jellyfish, beqala ngabasha. Kulula kakhulu ukunquma ubukhulu bomzimba we-jellyfish ngedome yayo, njengoba ikhula ngokulinganayo nangokulingana okuqondile kuwo wonke umzimba.
Ngokudla okuvamile ezimeni zaselabhorethri, usayizi wedome ukhuphuka kakhulu ngo-54.8% phakathi namahora angu-24 okuqala - ukusuka ku-0.62 Β± 0.02 mm2 kuya ku-0.96 Β± 0.02 mm2. Ezinsukwini ezi-5 ezilandelayo zokubhekwa, usayizi ukhuphuke kancane futhi ngokushelelayo wafinyelela ku-0.98 Β± 0.03 mm2 (I-3A-I-3Π‘).
I-Jellyfish yelinye iqembu, eyayincishwa ukudla, ayizange ikhule, kodwa yashwabana (umugqa obomvu kugrafu. I-3Π‘). Ukuhlaziywa kwamaselula kwe-jellyfish elambile kubonise ukuba khona kwenani elincane kakhulu lamaseli e-EDU: 1240.6 Β± 214.3 ku-jellyfish eqenjini elilawulayo kanye nama-433.6 Β± 133 kwabalambileyo (3D-3H). Lokhu kubuka kungase kube ubufakazi obuqondile bokuthi ukudla okunomsoco kuthonya ngokuqondile inqubo yokwanda.
Ukuhlola le nkolelo-mbono, ososayensi benza ukuhlolwa kwemithi lapho bavimbe khona ukuqhubeka komjikelezo weseli besebenzisa i-hydroxyurea (CH4N2O2), i-cell cycle inhibitor ebangela ukuboshwa kwe-G1. Njengomphumela walokhu kungenelela, amaseli esigaba se-S ayetholwe kusetshenziswa i-EDU anyamalala (3I-3L). Ngakho-ke, i-jellyfish evezwe ku-CH4N2O2 ayizange ibonise ukukhula komzimba, ngokungafani neqembu lokulawula (3M).
Isigaba esilandelayo socwaningo kwakuyisifundo esiningiliziwe se-branching tentacles ye-jellyfish ukuze kuqinisekiswe ukucabanga ukuthi ukwanda kwendawo kwamaseli emathangeni kunomthelela ku-morphogenesis yabo.
Isithombe No. 4: umphumela wokwanda kwendawo ekukhuleni nasekuhlanganiseni amatende e-jellyfish.
Amathente e-jellyfish encane anegatsha elilodwa, kodwa ngokuhamba kwesikhathi inani lawo liyakhula. Ezimweni zaselabhorethri, igatsha likhuphuke izikhathi ezi-3 ngosuku lwesishiyagalolunye lokubhekwa (I-4A ΠΈ I-4Π‘).
Futhi, lapho kusetshenziswa i-CH4N2O2, akuzange kubonwe ukuhlukaniswa kwamatende, kodwa igatsha elilodwa kuphela (4B ΠΈ 4C). Kuyathakazelisa ukuthi ukukhishwa kwe-CH4N2O2 emzimbeni we-jellyfish kubuyisele inqubo yokuhlanganisa amatende, okubonisa ukuhlehla kokungenelela kwezidakamizwa. Lokhu kubuka kubonisa ngokucacile ukubaluleka kokwanda kokuthuthukiswa kwetende.
Ama-Cnidarians ngeke abe ama-cnidarians ngaphandle kwe-nematocytes (cnidocytes, okungukuthi, ama-cnidarians). Ohlotsheni lwe-jellyfish i-Clytia hemisphaerica, ama-stem cells kuma-tentacle bulbs ahlinzeka ngama-nematocysts ezihlokweni zamathenteli ngokuqondile ngenxa yokwanda kwamangqamuzana. Ngokwemvelo, ososayensi banquma ukuhlola lesi sitatimende.
Ukubona noma yikuphi ukuxhumana phakathi kwe-nematocysts nokwanda, idayi ye-nuclear staining engamaka i-poly-Ξ³-glutamate eyenziwe odongeni lwe-nematocyst (DAPI, okungukuthi 4β²,6-diamidino-2-phenylindole) yasetshenziswa.
I-Poly-Ξ³-glutamate staining yasivumela ukuba silinganise ubukhulu be-nematocyte, kusukela ku-2 kuya ku-110 ΞΌm2 (4D-4G). Ama-nematocysts amaningi angenalutho nawo atholakala, okungukuthi, ama-nematocyte anjalo aphelile (4D-4G).
Umsebenzi wokwanda kumatende we-jellyfish wahlolwa ngokufunda ama-voids kuma-nematocyte ngemuva kokuvinjwa komjikelezo weseli nge-CH4N2O2. Ingxenye yama-nematocyte angenalutho ku-jellyfish ngemva kokungenelela kwezidakamizwa yayiphezulu kuneqembu elilawulayo: 11.4% Β± 2.0% ku-jellyfish eqenjini elilawulayo kanye ne-19.7% Β± 2.0% ku-jellyfish ene-CH4N2O2 (4D-4G ΠΈ 4H). Ngakho-ke, ngisho nangemva kokukhathala, ama-nematocyte ayaqhubeka ehlinzekwa ngenkuthalo ngamaseli e-progenitor cell, okuqinisekisa ithonya lale nqubo hhayi kuphela ekuthuthukiseni amatende, kodwa futhi nematogenesis kuwo.
Isigaba esithakazelisa kakhulu kwakuwucwaningo lwamakhono okuvuselela i-jellyfish. Uma kucatshangelwa ukugcwala okuphezulu kwamaseli akhulayo ku-bulb ye-tentacle ye-jellyfish evuthiwe I-Cladonema, ososayensi banquma ukutadisha ukuvuselelwa kwamatende.
Isithombe esingu-5: umphumela wokusabalala ekuvuselelweni kabusha kwetende.
Ngemuva kokuhlukaniswa kwamatende phansi, inqubo yokuvuselela yabonwa (5A-5D). Phakathi namahora angu-24 okuqala, ukuphulukiswa kwenzeka endaweni yokusikwa (5B). Ngosuku lwesibili lokubhekwa, ithiphu yaqala ukwanda futhi kwavela amagatsha (I-5Π‘). Ngosuku lwesihlanu, ithentacle yahlukaniswa ngokuphelele (5D), ngakho-ke, ukuvuselelwa kwetende kungase kulandele i-morphogenesis evamile ye-tentacle ngemva kokwelulwa.
Ukuze batadishe kangcono isigaba sokuqala sokwenziwa kabusha, ososayensi bahlaziye ukusatshalaliswa kwamaseli andayo kusetshenziswa i-PH3 staining ukuze babone ngeso lengqondo amaseli e-mitotic.
Ngenkathi amaseli ahlukanisayo ayevame ukubonwa eduze kwendawo enqanyuliwe, amangqamuzana e-mitotic ahlakazwe kuma-bulbs angenakunqunywa.5E ΠΈ 5F).
Ukulinganisa amaseli a-PH3-positive akhona kuma-tentacle bulbs kwembule ukwanda okukhulu kwamaseli a-PH3-positive kuma-tendon bulb abanqunyiwe uma kuqhathaniswa nezilawuli (5G). Njengesiphetho, izinqubo zokuqala zokuvuselela zihambisana nokwanda okusebenzayo kokwanda kwamangqamuzana kuma-bulb e-tentacle.
Umthelela wokwanda ekuvuseleleni uhlolwe ngokuvimba amaseli nge-CH4N2O2 ngemva kokusika itende. Eqenjini lokulawula, ukwelulwa kwetende ngemva kokunqunywa kwenzeka ngokujwayelekile, njengoba bekulindelekile. Kodwa eqenjini okwasetshenziswa kulo i-CH4N2O2, ukunwetshwa akuzange kwenzeke, naphezu kokuphulukiswa kwesilonda okujwayelekile (5H). Ngamanye amazwi, ukuphulukiswa kuzokwenzeka kunoma yikuphi, kodwa ukusabalala kuyadingeka ukuze kuvuselelwe kahle i-tentacle.
Ekugcineni, ososayensi banquma ukutadisha ukwanda kwezinye izinhlobo ze-jellyfish, okungukuthi I-Cytaeis ΠΈ I-Rathkea.
Isithombe #6: Ukuqhathaniswa kokusabalala kwe-Cytaeis (kwesokunxele) kanye ne-Rathkea (kwesokudla) i-jellyfish.
Π£ I-Cytaeis Amaseli e-medusa EdU-positive abonwa ku-manubrium, ama-tentacle bulbs kanye nengxenye engenhla yesambulela (I-6A ΠΈ I-6B). Indawo yamaseli e-PH3-positive akhonjwe kuwo I-Cytaeis efana kakhulu ne I-CladonemaNokho kukhona umehluko (6C ΠΈ 6D). Kodwa ku I-Rathkea Amaseli e-EDU-positive kanye ne-PH3-positive atholakale cishe kuphela endaweni ye-manubrium kanye nama-tentacle bulbs (6E-6H).
Kuyathakazelisa futhi ukuthi amangqamuzana andayo ayevame ukutholwa ezinsweni ze-jellyfish I-Rathkea (6E-6G), okubonisa uhlobo lwe-asexual lokuzalana kwalolu hlobo.
Uma kucatshangelwa ulwazi olutholiwe, kungacatshangwa ukuthi ukwanda kwamaseli kwenzeka kuma-tentacle bulbs hhayi kuphela ohlotsheni olulodwa lwe-jellyfish, nakuba kukhona umehluko ngenxa yokuhluka kwe-physiology kanye ne-morphology.
Ukuze uthole ulwazi oluningiliziwe ngama-nuances ocwaningo, ngincoma ukubheka .
Epilogue
Omunye wabalingiswa engibathandayo bokubhala nguHercule Poirot. Umseshi ohlakaniphile wayehlale enaka kakhulu imininingwane emincane abanye ababecabanga ukuthi ayibalulekile. Ososayensi bafana kakhulu nabaseshi, baqoqa bonke ubufakazi abangabuthola ukuze baphendule yonke imibuzo yophenyo futhi bathole βumlanduβ.
Kungakhathaliseki ukuthi kungase kuzwakale kusobala kangakanani, ukuvuselelwa kabusha kwamaseli e-jellyfish kuhlobene ngokuqondile nokwanda - inqubo ebalulekile ekuthuthukiseni amangqamuzana, izicubu futhi, ngenxa yalokho, yonke into ephilayo. Ucwaningo olunzulu lwale nqubo ebanzi luzosivumela ukuba siqonde kangcono izindlela zamangqamuzana angaphansi kwayo, okuzokwenza, futhi, kwandise hhayi nje ububanzi bolwazi lwethu, kodwa futhi kuthinte ukuphila kwethu ngokuqondile.
NgoLwesihlanu ekuseni:
I-March ye-jellyfish yezinhlobo ze-Aurelia, ephazanyiswa isilwane esizingelayo esinegama elingavamile "i-jellyfish eqanda ethosiwe", i.e. i-jellyfish yeqanda ethosiwe (Planethi Yomhlaba, i-voice-over ka-David Attenborough).
Akuyona i-jellyfish, kodwa lesi sidalwa esisolwandle (i-peliccan-like largemouth) asivamile ukuthwebula izithombe (ukusabela kwabacwaningi kumane nje kuthinteke).
Siyabonga ngokufunda, hlalani nelukuluku futhi nibe nempelasonto enhle bafana! π
Siyabonga ngokuhlala nathi. Uyazithanda izindatshana zethu? Ufuna ukubona okuqukethwe okuthakaselayo okwengeziwe? Sisekele ngokufaka i-oda noma ngokuncoma kubangani, Isaphulelo sika-30% sabasebenzisi be-Habr ku-analogue ehlukile yamaseva eleveli yokungena, esungulwe yithi ngenxa yakho: (itholakala nge-RAID1 kanye ne-RAID10, kufika kuma-cores angu-24 kuze kufike ku-40GB DDR4).
I-Dell R730xd ishibhile izikhathi ezi-2? Lapha kuphela eNetherlands! I-Dell R420 - 2x E5-2430 2.2Ghz 6C 128GB DDR3 2x960GB SSD 1Gbps 100TB - isuka ku-$99! Funda mayelana
Source: www.habr.com