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| sequential sampling | |||
| sampling on successive occasions; sampling over time | |||
| 逐次 抽样: 5 phrases in 2 subjects |
| Management | 1 |
| Technology | 4 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
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