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单选题
96、The most difficult ideas are concerned with understanding how the air flows just as the wing starts to move, and it is best to think of air as a fluid having viscosity.Qustion: According to the statem
A
Dense Air
B
Water
C
A solid
D
Moving air
答案解析
正确答案：B
解析：
解析:The most difficult ideas are concerned with understanding how the air flows just as the wing starts to move, and it is best to think of air as a fluid having viscosity.Qustion: According to the statem
相关知识点：
空气流动如水有粘性特点
题目纠错
2025版飞行部升级理论考试题库
