The polar and egg nuclei of the female gametophyte are genetically identical.雌配子体中的极核和卵核遗传上是同一的.Protonema ( pl . protonemata ) The young bryophyte gametophyte that develops following spore germination.苔藓植物中直接由孢子萌发形成的结构称为...
He brooded on whether she should commIt'suicide.他想她是不是死于自杀.For years he brooded vengeance.多年来他一直在盘算报仇.She brooded the problem all night.她一整夜都在思考那个问题。...
Environmental hormone is a kind of external chemical substance which incretion of human beings and vertebrates.列举了环境激素对人类和动物生育、生理功能的影响,并指出研制开发“安全化学农药”的思路是不可取的.Antibiotic applied in the control group , while TQBYP, Antibi...
All commercial nuclear power is provided by fission at the present time.目前所有的商用核动力都是通过核裂变产生的.Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission.铯-137是一种放射性同位素, 主要由核分裂产生.The fission of the cell ...
Violent crime is on the upswing.暴力犯罪率正在攀升。Shocking crimes are now on the upswing.骇人的罪行正在增长.The economy is in the upswing which makes high tech services in more demand too.经济在蓬勃发展,这就使对高科技服务的需求量也在加大....
屯留煤矿副井井筒表土段采用普通法施工,利用井外降水井疏干降水.The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.煤矿立井井筒 非 采动破裂是一种新型工程地质灾害.Non - mining fracture of shaft - lining is a new style of engineering ge...
Double hysterisis, found in antiferromagnetics and antiferroelectrics , has an equal significance as the single hysteresis.双回线出现在反铁电(磁)体中及部分铁电体的临界点....
I believe he is most painfully anxious about Diana.我相信他肯定非常担心黛安娜。Diana took the hint and left them to it.戴安娜会意，任由他们自己去解决。Diana is taking the opportunity to wrap up the family presents.黛安娜利用这个机会将家人的礼物包起来。...
他自己动手用研钵和杵把冰糖研成粉。He ground the rock candy with a mortar and pestle.他自己动手用研钵和杵把香料研成粉.He ground the spices himself with a mortar and pestle.一些动物(比如马), 一些河流, 甚至一些器具 ( 比如研钵和槌 ) 都被神圣化.Some animals like horses, some rivers, an...
这些货物必须以坚固锡边板箱包装.These goods must be packed in a strong tin - lined case.挡板两端制有边板连接螺丝.Sideboard connecting screws are made on two ends of the baffle.边板上垂直于边板板面均匀制有模块连接孔,挡板连接孔.Module connecting holes and baffle holes are e...