| 单词 | 标准大气 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔absolute ceiling〕The maximum altitude above sea level at which an aircraft or missile can maintain horizontal flight under standard atmospheric conditions.绝对顶点，绝对航高：高于海平面的最高高度，在标准大气情况下飞机或导弹能在此高度维持水平飞行美国传统〔atmospheric pressure〕Pressure caused by the weight of the atmosphere. At sea level it has a mean value of one atmosphere but reduces with increasing altitude.大气压力：因大气层的重量而产生的压力。在海平面上有一平均数值，即一个标准大气压，随着海拔高度增加而减小美国传统〔boiling point〕Abbr. bpThe temperature at which a liquid boils at a fixed pressure, especially under standard atmospheric conditions.缩写 bp沸点：液体在一定压力下沸腾时的温度，尤指在标准大气压下液体的沸腾温度美国传统 |
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