“俯仰”造句
两只吊舱的独立
俯仰和偏航均会产生噪声.
Independent pitch and yaw of the two birds produce noise.
只有对接近于轴对称的飞行器,
俯仰与偏航的耦合才能略去.
Pitch - yaw coupling can be neglected only for nearly axisymmetric vehicles.
俯仰力矩的变化由升降舵的偏转来提供.
A variable pitching moment is provided by moving the elevator.