the field efficacy trials 田间药效试验
When conducting herbicide field efficacy trials, recommended rates must be accurate and reliable.
除草剂经过田间药效试验提出，推荐使用剂量必须准确、可靠。
In this paper, the occurrence regulation of the apple woolly aphid was described, and one method of field trials was proposed by the Guidelines for the field efficacy trials.
本文介绍了苹果绵蚜的发生规律，并参照《田间药效试验准则》，提出了其田间药效试验方法。
In order to observe the efficacy of ozone in disinfection of various articles of hospital, laboratory tests and field trials were carried out.
为了观察臭氧对医院不同物品消毒效果，在实验室和现场进行了试验。
应用推荐