光栅传感器的光栅是在一块长条形的光学玻璃上密集等间距平行的刻线，刻线数为100线/mm，经四倍细分后，记数脉冲为400，光栅位移是（　　）mm。

光栅传感器分为物理光栅传感器和计量光栅传感器，物理光栅应用了（）现象。

光栅传感器分为物理光栅传感器和计量光栅传感器，物理光栅应用了（）现象。

反射光栅和光栅常数

反射光栅和光栅常数

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。