刚体平动时，刚体上任一点的轨迹（）空间曲线。

刚体平动过程中，可用刚体上任意一点的运动来描述平动刚体的整体运动情况。

刚体平动过程中，可用刚体上任意一点的运动来描述平动刚体的整体运动情况。

刚体平动时,其上各点的速度和加速度在任一瞬时均相等。( )

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

在任一瞬时，平动运动物体的绝对加速度等于运动物体的牵连加速度与相对加速度的矢量和。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

速度瞬心是两刚体上（）为零的重合点。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。