| 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. |