| 单词 | standard atmosphere |
| 释义 | standard atmospherenoun1 : an arbitrary ideal set of atmospheric conditions (as used in calculations of aircraft performance) specifically : the international standard specifying a temperature of 15° C and 760 millimeters pressure at sea level with a vertical temperature gradient of −6.5° C per kilometer up to 11 kilometers altitude and uniform temperature of −56.5° C above that level 2 : atmosphere sense 5 |
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