用作能源加工、转换的能源与用作原材料的区别在于（）。

用作能源加工、转换的能源不能算作用于原材料。 ( )

作为能源企业中的旗舰，（）是我国能源战略的重要实施主体，担负着确保国家能源安全的重任，代表了我国能源企业的竞争实力。

三哩岛事故的经验教训

复杂的国际能源政治经济形势引发的能源安全危险有（）。

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。