Objective To evaluate the control effects of twelve rich - d - trans allethrin coils and allethrin coils against mosquitoes.目的测试以富右旋反式烯丙菊酯和烯丙菊酯为有效成分不同品种盘香对淡色库蚊的防治效果....
珠心表皮细胞平周分裂产生多层珠心周缘细胞,为厚珠心.The nucellar epidermal cell cuts off several layer nucellar parietal cells.'周缘'.''的关于 、 位于或组成外部边界或周缘的.Related to, located in, or constituting an outer boundary or periphery.&...
If Brazier effect occurs on a stalk, it will bend after 25 % to 30 % of flexion.发生Brazier屈曲的茎在危险截面的屈曲程度为25%～30%时达到临界弯距,此后进入屈曲.There is a particular urgency in this case, and it would help if you could bend the rules.这次碰巧...
The daily and yearly temperature oscillations die away at depths less than 1 m and 30 m respectively.温度日变化波及的深度小于1米,而温度年变化影响的深度约30米.The DLE oscillations induced by high concentrationof CO 2 could be inhibited by nigerici...
那个老蠢货。我倒要问一问，她以为她是谁呀？That silly old bat. I ask you, who'd she think she was?“你是个蠢货，麦克。”她叫嚷着。"You're a dummy, Mack," she yelled.蠢货！你本应该告诉我！Idiot! You could have told me!...
奈洛比喷射飞机从南非出发后迅速地掉下.The Nairobi - bound jet went down shortly after takeoff in West Africa.总部设在奈洛比的罗氏产品有限公司最初由于来自爱滋病激进主义分子的压力而提供了这种药品.The Nairobi - based Roche Products had originally made the drug available after pressur...
He fixed a bayonet to the end of his rifle.他在步枪口上安好了刺刀。Tom was leading, a rifle slung over his back.汤姆走在前面，背上挂着一支步枪。He gave a grunt and loosed his grip on the rifle.他闷哼了一声，松开了握着来复枪的手。...
The tradespeople in his precinct appreciated it. And they showed their appreciation.他负责的地区内的商人很赏识他的这种作风, 而且公开表示对他很赞赏.His new contribution to the advancement of physiology was well appreciated.他对生理学发展的新贡献获得高度赞赏.He appreci...