温度表置放于远离障碍物的百叶箱中，以便取得自由运动空气的标准值。

Thermometers are placed in shelters far away from obstacles so as to get free-moving air standard values.

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根据箱内外温度实测资料，计算了各类百叶箱的热滞系数，并与不同的公式的计算结果进行了比较讨论。

In terms of temperature data inside and outside the screens of various types, the time constants are computed for each kind. The results are compared with those obtained from other formulae.

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