名词
中文翻译：Unknown
同义词：
['sample frame', 'sampling interval', 'sample interval', 'sampling unit']
例句：
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1. The sampling frame is crucial for the accuracy of the data collection process.
抽样框对于数据采集过程的准确性至关重要。
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2. The research team used a random sampling frame to ensure representativeness.
研究团队使用了一个随机抽样框以确保代表性。
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3. The sampling frame was updated regularly to reflect changes in the population.
抽样框定期更新以反映人口变化。