某些植物的珠被和珠心细胞形成完全正常的胚.The cells of the integument and nucellus of some plants form perfectly normal embryos.大多数被子植物的胚珠有两层珠被, 而裸子植物通常只有一层.Most angiosperm ovules possess two integuments, while gymnosperms usually have only ...
I love the way a good flirtation can enliven the most mundane situation.恰到好处的打情骂俏能够使最平淡无奇的时刻变得生动有趣起来，我很喜欢这种感觉。In the secondary market, this quantity can enliven, has temporarily.二级市场上, 该股量能活跃, 暂持有.To enliven our economy,...
This reaction involves disproportionation of the aldehyde.这个反应就是醛的歧化作用.Nano - Ni was first used as catalyst for disproportionation of resin acid.将 纳米 镍催化剂首次应用于树脂酸的歧化反应中.In toluene disproportionation, the catalytic activi...
Aha! Here at last, the answer to my question.啊哈，我的问题到这儿终于有了答案。"Aha!" Dave nodded maddeningly.“啊哈！”戴夫令人气恼地点头说道。Aha! So that's where I left it!啊哈！原来我把它丢在这儿了！...
在分析聚合过程的自加速效应 ( 凝胶效应 ) 的基础上,提出了解决爆聚问题的办法.The auto - acceleration effect ( gel - effect ) had been analysed to propose the solution to the implosion of reaction....
“ 不告诉你, ” 这是 鸣凤 的微微颤动的声音." I won't tell you. " Ming - feng's voice shook a little.索性用那涂了蜡似的、角质的小红嘴,“嗒嗒”啄着我颤动的笔尖.It would even peck my bobbing nib with its waxy red bill.目的: 探讨控制与消除心室颤动的方法.Objective : To study t...