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1. | Knocking on a door at random『任意地;随意地』, I summon『唤来;招来』 a wizened『干瘦的;干瘪的』 old woman. |
| [21] 我随便敲了一家居民的门,开门的是位干瘦的老太太。 |
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2. | optional sampling |
| 任意抽样 |
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3. | sampling by chance |
| 机会任意抽样 |
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4. | stimulus sampling theory |
| 刺激抽样理论 刺激抽样理论 |
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5. | specific assignment sampling |
| 特定抽样 特定抽样 |
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6. | sampling scheme |
| 抽样方案|抽样计划 |
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7. | attribute sampling |
| 属性抽样;特性抽样 |
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8. | multiple fraction defective sampling |
| 多抽样比不完全抽样 |
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9. | importance sampling |
| 重点抽样;重要性抽样 |
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10. | sampling inspection plan |
| 抽样检验方案 抽样检验方案 |
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