单词 | standard artillery atmosphere |
释义 | standard artillery atmosphere [`stan·dǝrd är`til·ǝ·rē `at·mǝ´sfir] METEOROLOGY A set of values describing atmospheric conditions on which ballistic computations are based, namely: no wind, a surface temperature of 15°C, a surface pressure of 1000 millibars, a surface relative humidity of 78%, and a lapse rate which yields a prescribed density-altitude relation. |
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