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本文通过空测点位置和点样数量及剂量反应关系研究了空测结果的代表性。提出在同一个铅作业场所中，应设操作位、活动中间位及停留休息处三个采样点。同一点上，在一个工作班中间隔１～１．５小时，采集４～６个样品；间断性生产，间隔０．５小时，不应少于２个点３个样或连续采样，并用几何均值评价为妥。
In this paper, we study the representativeness of the results of space-borne measurements by the relationship between the number of empty spots and the number of spots and the dose response. It is proposed that three sampling points should be set up in the same lead working place, such as operating position, middle position of activity and resting place. At the same point, in a working class interval of 1 to 1.5 hours, collecting 4 to 6 samples; intermittent production, 0.5 hours apart, not less than 2 points 3 samples or continuous sampling, and geometry Mean evaluation is appropriate.