Independent pitch and yaw of the two birds produce noise.两只吊舱的独立俯仰和偏航均会产生噪声.Pitch - yaw coupling can be neglected only for nearly axisymmetric vehicles.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.The integrated guidance autopilot model o...

Liddie's doorway yawned blackly open at the end of the hall.走廊尽头利迪的门黑洞洞地敞开着。She yawned, and stretched lazily.她打了个哈欠，伸了个懒腰。The gulf between them yawned wider than ever.他们之间的隔阂比以往任何时候都要深。...