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.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

变形是指被监测的对象（变形体）的（）随时间发生变化的形态和特征。

变形观测是测定建筑物及其地基在建筑物荷载和（）下随时间而变形的工作。

变形观测是用（）或（）测定建筑物及其地基在建筑物荷载和外力作用下随时间变形的工作。

描述质点位移随时间和空间位置变化的叫做波形.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。