起作用

These changes and mutations only have an effect at the point where a new zygote is created.

这些转变只在受精卵产生时才起作用。

In addition, KANADI and YABBY act in the abaxial domain of leaves to specify the abaxial identity.

KANADI和YABBY基因在远轴面极性建成中起作用。

These results suggest that ZmNAC1 may play important roles in abiotic resistance pathways.

这些结果表明，ZmNAC1可能在植物逆境反应中起作用。

Therefore, the two methods have been compared in prospectivel study if MRI has a role in pre-operative assessment of patients with anteromedial OA of the knee.

通过前瞻性对照研究了解MRI是否能在膝关节前内侧骨关节炎的术前诊断起作用。

The Caribbean hotel group, Elite Island Resorts, which owns The Verandah, is so confident that it will work that it is already planning to launch a second book club at another of its Antiguan resorts, Galley Bay.

加勒比酒店集团精英岛度假村拥有走廊，是如此相信它会起作用，它已经计划推出另一安提瓜度假村的第二本书俱乐部，厨房湾。

The contents are mainly divided into three parts: The first part describes mechanism and metabolism rule of natural products and its classification ; The second part is about the growth and development of plants and their mutual relationship, natural biological active substances which are produced in the course of defending plant diseases and insect damages. The third part is not only the function and principle of medicine, anticancer and antioxygen activity of different kinds of natural products such as resin ,essential oil, high molecule, grease and so on but also their application. The fourth is security problem of Plant Natural Products. Through the lessons, we can correctly understand and use the relationship between plants and environment.

其课程分为13章，内容主要分为4大部分，一是阐述植物天然产物的发生机理和代谢规律，介绍相关主要植物种类，并对天然产物进行化学分类；二是讲述植物天然产物和自身生长发育之间的关系、天然产物如何影响植物之间的相互关系、以及植物如何利用天然生物活性物质抵御病虫害的威胁；三是详细描述了各种天然产物，如植物自身生长发育过程中所产生的活性物质、植物与其它生物之间的相互关系中所产生的生物活性物质、植物毒性物质、植物药理活性物质、植物抗生物质、植物树脂、植物精油、植物高分子、植物油脂、植物抗氧化活性成分等，并阐述它们的药理活性、抗癌性、抗氧化性等对人类健康起作用的的功能和原理；四是提出了植物天然产物的安全性问题，并介绍相关案例和介绍相关法规；在此基础上还专门讲述了树脂、精油、高分子、以及油脂类等天然产物的应用。

Our research shows that Arabidopsis ARP6 play a part in these development processes.

拟南芥的胚胎发育是一个复杂的基因调控过程，到目前为止，已经发现了不下于200个基因在胚胎发育过程中起作用。

Looks like asystole, paddling's not gonna do anything.

好像是心脏无收缩电击不起作用

Jake's baggie burst. He's stoned and happy.

Jake的那包东西起作用了他现在飘飘欲仙

Toddy Beamish opposed everything he said by a monotonous but effective "So you say," and drove him to the limit of his patience.

无论他说什么，托德比米什都说同一句单调却又很起作用的话加以反对：&这可是你说的，&这真使他忍无可忍。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！