OR指令的作用是: 。( )

载荷根据作用性质不同，可分为（）、（）和（）。

根据作用和性质的不同，公文可分为（）

运算性质根据其所起作用可分为（）、（）以及（）等几类。

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。

根据其性质和复杂程度，可分为（）、（）和（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。