Based on the principle of the pollution probability, the atmospheric sampling station was set up on the coastal area of upstream wind side where the pollution probability is the highest.

应用污染几率原则，选择在沿岸地区最大污染几率的上风方位设立大气采样点。

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The paper introduces the principle of the two-point sampling algorithm and programming idea of AC sampling in a power station monitor system, and presents some chief program code.

介绍了电站监控系统中交流采样的两点采样算法和程序设计思路，并给出了部分主要程序代码。

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If the monitoring station has good representative, it will hare to follow the principle of the random sampling.

为使监测点具有良好的代表性，必须遵循随机抽样的原则。

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Apple Stores are a mix of showroom, marketing lab, sampling station and social connecting point.

FORBES: Apple Stores: How Much is Too Much of a Good Thing?