根轨迹是根据系统开环零极点分布而绘制出的闭环极点运动轨迹。

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.

螺旋机构的工作原理是将螺旋运动转化为（）运动。

螺旋桨的轨迹检查是测量（）.

螺旋桨轨迹检查是测量：（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

物体作线运动时的运动轨迹必然是一直线。

冷床步进梁的运动轨迹有圆形、椭圆形、（）等。中小型轧钢厂的步进梁通常采用（）运动轨迹。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。