use-dilution test

Finally, according to test characteristics, transmission distance, and power requirements, use of lithium-ion battery charger chip to complete the production of the entire system.

最后根据实验特性、传输距离、功率要求，利用锂离子电池充电芯片完成整个无线充电器的制作。

Employers will use this agreement as a test in dealing with future wage claims.

雇主们将这份协议当作处理未来加薪要求的判断准绳.

Just like medical researchers use rats to test ideas for human medical treatments, botanists use plants that are relatively easy to grow in a lab or greenhouse setting to test their ideas for related species.

实验室的模型，就像医学研究人员用老鼠来测试人类医学医疗的想法一样，植物学家用实验室或温室环境中相对容易生长的植物来测试他们对相关物种的看法。

South Korea opened its second Antarctic research base in 2014, describing it as a way to test robots developed by Korean researchers for use in extreme conditions.

2014年，韩国开放了其第二南极科研基地，说是检验韩国研究员研发的用于极端环境的机器人。

By the use of the method of acute toxicity test, the diet and activity situation were observed.

通过急性毒性实验，观察小鼠饮食、活动情况，有无死亡现象。