OR指令的作用是: 。( )

简述汽车维修机具设备管理在汽车维修生产中所起的作用。

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。

怎样评价中国在国际舞台上的地位与作用？

怎样认识第三世界在国际舞台上的地位与作用？

第三世界在国际舞台上的地位和作用有（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。