荀况注重对法的理论探讨，他提出的重要的法学概念有（）。

OR指令的作用是: 。( )

法的作用可以分为规范作用与社会作用。这是根据法在社会生活中发挥作用的形式和内容，对法的作用的分类。而法的规范作用又分为（）。

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。

对法起决定性作用的是( )。

对法的产生和发展起决定性作用的是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。