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单选题
室外空气温度是自由空气静止温度，从飞行温度指示或地面气象源获得，并根据仪器误差和压缩系数效应进行调整。
A
Outside Air Temperature is the free air static temperature, obtained either from inflight temperature indications or ground meteorological sources, adjusted for instrument error and compressibility effects.
B
Outdoor Air Temperature is the dynamic temperature of free air, obtained from flight temperature indications or ground meteorological sources and adjusted for instrumental error and compressibility effects.
C
Outdoor Air Temperature is free air stagnation temperature, from flight temperature indicating or ground meteorological resource, and according to the instrument error and compressibility effects to adjust.
答案解析
正确答案：A
相关知识点：
室外气温是自由空气静温
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