[化] 抽样检查; 抽样检验
[经] 抽样检验

sample survey的用法和样例：

例句

Here is a survey of my exemplars, including ones from different but relevant fields.这里有一项我的样本调查，包括一些互不相同但却相关的领域。
The opinion poll was based on a random sample of adults.这次民意测验结果是在对成年人的随机抽样调查基础上得出来的。
Case studies sample the experience of New Zealand European and New Zealand Maori women and men.个案抽样调查了新西兰欧洲人和新西兰毛族人。
His job is to sample products for defects.他的工作是抽样检查产品的瑕疵。

原版英语对话：Taking a Urine Sample(2)

A: Why are you handing me a plastic cup? B: Your doctor wants to test your urine and needs a sample. A: How am I supposed to do that? B: We need you to urinate like you normally would, and then stop and finish into the cup. A: What am I supposed to d

发表于:2018-12-02 / 阅读(233) / 评论(0)

英语情景对话-健康

原版英语对话：Taking a Urine Sample(1)

A: What is that plastic cup for? B: Your doctor has requested a urine sample. A: Am I supposed to pee into the cup? B: We want what we call a clean sample. Urinate a drop or so into the toilet, and then stop the flow and urinate into the cup. A: Then

发表于:2018-12-16 / 阅读(194) / 评论(0)

英语情景对话-健康

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财会英语

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2007年VOA常速英语（十月）

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实用英语

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