在离海面几千英尺高度上(在拔海高度数千英尺以下)气压递减率大约是每900到1000英尺高度下降1英寸汞柱左右。

For the first few thousand feet above sea level the rate of pressure decrease is in the neighborhood of 1 inch of pressure for each 900 to 1000 ft.

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在离海面几千英尺高度上(在拔海高度数千英尺以下)气压递减率大约是每900到1000英尺高度下降1英寸汞柱左右。

For the first few thousand feet above sea level the rate of pressure decrease is in the neighbourhood of 1 inch of pressure for each 900 to 1000 ft.

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而社会平均利润率的下降是货币流通速度递减的根本性原因。

And the fall of social average rates is the basic reason of the progressive decrease of the currency circulation speed.

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