双受精过程属有丝分裂前配子融合类型.Double fertilization is the type of the Premitotic syngamy.根据观察,在北京地区,软毛猕猴桃的双受精大多发生在授粉后30—72小时内.In Beijing area the double fertilization of Actinidia chinensis occurred 30 - 72 ho - urs after pollinatio...
你一旦陷进深雪中, 那就很难出来.Once you're stuck in deep snow, it's difficult to lever yourself out.底层进深六间, 前后为廊.First floor depth of a house six, around are the porches.请问这个房子的进深和开间各是多少米?Can you tell me the depth and breadt...
驱逐者:经过万年进化、决心推翻霸权的猿人.The Ousters eon - long mutated humanoids bent on overthrowing the Hegemony.丁满: 啊, 你是个被驱逐者. 太棒了. 我们也是.Timon: Ah, you are an outcast. That's great. So are we....
Some stratification exists in the spray produced by any liquid propellant injector.由任何液体推进剂喷注器所产生的喷雾都存在某些成层现象.The small lower hole is that for the injector.下方小洞用于装喷嘴.Chamber compatibility and injector durability involve ...