... sample survey design : 抽样调查设计 sample survey point : 抽样调查点 multicharacteristics sample survey : 多标识抽样调查 ...
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sample survey point
抽样调查点
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Cross-Sectional: The sample of elements is measured only once. This shows you a snapshot of variables at a point in time (e. g. , market survey).
横截面数据：成分数据只测量一次。这展示你的变量在一个时间点的快照（如：市场调查）。
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The survey sample is anything but representative, but you get the point.
ECONOMIST: The economics of happiness: Can't buy it? | The
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