How to select appropriate cases?
如何选择病例?
In appropriate cases, periodic testing of the different batches prepared from the same lot of dehydrated medium is acceptable.
在适当的情况下,用同一个批次的脱水培养基配制的不同批次的定期试验是可以接受的。
This paper introduces the checking methods of the measuring devices adopting AC sampling mode, and analyses the appropriate cases these methods are used in.
为此重点介绍了对交流采样测量装置的校验方法:现场实负荷校验及虚负荷校验; 并对校验方式的适用情况进行了分析。
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