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国际标准大气 guójì biāozhǔn dàqì
space international normal atmosphere
tech. International Standard Atmosphere (压)
wind. international standard atmosphere
国际标准大气假定符合下列条件的大气：在平均海平面上的温度为15 oC，压力为1013.2毫巴，在11公里高度以下的温度递减率为6.5 oC/ 公里，11公里以上的平流层的气温假设固定为-56.5° C; 供比较飞机性能时使用 guójì biāozhǔn dàqì
avia. international standard atmosphere
国际标准 大 气: 10 phrases in 5 subjects
Aviation2
General1
Geophysics2
Space4
Technology1

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