... sampling ratio 抽样比 sampling room 取样室 sampling scheme without replacement 不放回抽样方式 ...
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新型取样式五参数过环空找水仪由温度、压力、磁定位、遥测电路和流量、持水率2个功能短节组成，采用流体取样室开伞集流、收伞取样的方式测量持水率。
A flow-concentrating-sampling annular water detector with 5-parameter consists of circuits of temperature, pressure, magnetic locator, telemetry, as well as 2 cartridges of flow rate and water cut.
一年到头，她从安装在田地里的专用取样器收集气体样本，然后到实验室检测这些样本。
Throughout the year, she obtains gas samples from specialized Chambers installed in the field and measures the samples in the laboratory.
疑似病例应按照国家或世卫组织的准则提取样本，样本应提交当地和国家参考实验室。
Suspected cases should be sampled according to national or WHO guidelines and samples should be submitted to local or national reference laboratories.
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