在我国，领导科学诞生于新中国成立之后。

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.

中国国际旅行社总社成立于（）年，青年旅行社成立于（）年，中国旅行社成立于（）年。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在我国，领导科学诞生于新中国成立之后。

中国国际旅行社成立于（）年。

中国国际旅行社成立于（）

中国国际旅行社总社成立于（）年。

中国国际旅行社总社成立于()。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。