方法对150名医护人员的洗手行为进行抽样调查。
MethodsCarried out a sample survey of 150 health care personnel hand-washing behavior.
环抱绿树的职员或志愿者会用通过认证的温度计进行抽样调查。
Tree-hugging employees or volunteers will conduct surprise spot-checks using certified thermometers.
我们在工人中进行抽样调查，以判断他们对工作方法改变的意见。
We sampled opinions among the workers about changes in working methods.
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