test of internal control 内部控制抽查
The test laboratory quality control includes internal and external quality control method.
检测实验室质量控制分为内部质量控制和外部质量控制。
Observation. Observation is an effective method to test the operation of internal control (e. g., separation of duties) without written record.
观察。观察是测试不留下书面记录的控制(如职责分离)的运行情况的有效方法。
Objective To assess and design of internal quality control procedures of the coagulation test.
目的对凝血试验试验项目的质控方法进行评价和设计。
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