The microbial challenge test, a classic method of evaluating preservation effect of cosmetics preservative is widely used in cosmetics industry.
2
相应地,开发过程中应进行检测条件下的微生物挑战性试验(尽可能模拟病人使用情况)并写入本部分的文件。
Where relevant, microbial challenge testing under testing conditions that, as far as possible, simulate patient use should be performed during development and documented in this section.
3
巴基斯坦的一个城市卡拉奇也正施行这个试验,那里的情况可以用用“富有挑战性”来描述。
Conditions in Karachi, the Pakistani city in which the trial is being conducted, could politely be described as "challenging".