The sample allocation scheme based on relative ratio of failure effect was adopted, which could make the test result more credible.
通过采取基于故障影响相对比值的样本分配方案，可以使试验结果更加真实、可信。
The sample Numbers of each class of hospitals were determined by the staff allocation standard enacted by the Ministry of Health.
各等级医院样本量根据卫生部医院床位数人员配置标准所需医师数量选定。
The sample Numbers of each class of hospitals were determined by the staff allocation standard enacted by the Ministry of Health.
各等级医院样本量根据卫生部医院床位数人员配置标准所需医师数量选定。
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