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- classes of pesticide toxicity [化] 农药毒性等级
- Pele was in a class of his own as a footballer. 贝利是举世无双的足球健将。
- He took the ninth position in his class of forty. 他在40 个人的班级里排在第九名。
- It's no easy task to take control of a class of young children. 管住一个班的小孩子可不是件容易的事。
- This creature can be subsumed in the class of reptiles. 这种生物可以归入爬行动物一类。
- I've mixed among all classes of people. 我与各阶层的人都有过交往。
- To this class of substances belong glass and wood. 属于这类物质的有玻璃、木材等。
- We draw our readers from all classes of society. 我们吸引了来自社会各阶层的读者。
- The growth of Bufo melanostictus tadpoles in the water containing different concentrations of pesticide dichlorvos (DDVP) was studied using the static-renewal toxicity method. 采用静态换水法研究了杀虫剂敌敌畏(dichlorvos;DDVP)对黑眶蟾蜍(Bufo melanostictus)蝌蚪的急性毒性和生长发育、生理活动的影响.
- A class of people regarded as stupid and gullible. 愚民阶级被认为愚蠢而易受欺骗的一个阶级
- She taught a class of 30 pupils. 她教一个班, 共三十名学生。
- Much the same class of goods that we send to you. 和寄送给你们的大致是相同的货品。
- My mother's kites are in a class of their own. 我母亲优质风筝独具一格。
- The fertility of the soil has been greatly improved by the use of pesticides. 土壤施用杀虫剂後肥力大增。
- Classes of Heat Resistance and Pressure Resistance. 耐热性、耐压性的种类。
- The fertility of the soil have is greatly improved by the use of pesticide. 土壤施用杀虫剂後肥力大增。
- Classes of a plug-in are loaded on demand. 插件的类是按需要加载的。
- Labels shall be printed or pasted to the package surface of pesticide products. 农药产品应当在包装物表面印制或贴有标签。
- A class of eigenvalue problems is studied. 摘要研究一类特征值问题及其应用。
- Residues of pesticides can build up in the soil. 残余的杀虫剂会在土壤中积淀起来。
