A.国籍登记证
B.电台证
C.适航证
D.维修合格证
第1题:
第2题:
第3题:
4、在建立运动方程时,以下哪个不是假设条件? Which of the following is not an assumption in establishing the equations of motion?
A.忽略地球曲率 Ignore Earth Curvature
B.忽略地球自转 Ignore the Earth Rotation
C.忽略外力 Ignore external forces
D.飞机视为刚体 The vehicle is treated as a single rigid body
第4题:
第5题:
在建立运动方程时,以下哪个不是假设条件? Which of the following is not an assumption in establishing the equations of motion?
A.忽略地球曲率 Ignore Earth Curvature
B.忽略地球自转 Ignore the Earth Rotation
C.忽略外力 Ignore external forces
D.飞机视为刚体 The vehicle is treated as a single rigid body