Based on the large structure state of atmospheric temperature, the theoretical basis of the best observation time obtained through the two times electric ranging has been discussed.

本文根据大气温度层结状态，讨论两种光电测距最佳观测时刻的理论。

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The changes in temperature air current connection atmospheric structure field is produces the wide range layered cloud in the spatial domain ydo is the precipitation physical mechanism.

在空间域中冷暖气流交汇的大气结构场是产生大范围层状云系降水的物理机理。

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To measure the atmospheric optical turbulence, the micro-temperature sensor is often used. But statistic average time can affect the measuring results of temperature structure constants.

在使用温度脉动仪测量温度结构常数时，平均时间长度的选择会影响其测量结果。

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