00675901-v
(6)
V2 |
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select or take in from a given group or region |
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05266879-n
(3)
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a bit of tissue or blood or urine that is taken for diagnostic purposes |
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05822239-n
(5)
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an example regarded as typical of its class |
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00664111-v
V1, V2 |
| 抽样, 抽样调查, 抽查, 抽样 调查 |
| spot-check |
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pick out random samples for examination in order to ensure high quality |
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00161888-n
(4)
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[in statistics] the selection of a suitable sample for study |
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00142140-n
|
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a check on work performance or product quality made at random times without warning |
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