运输问题不一定存在最优解。

Shutdown price（or point，or rule） 停业价格（或停业点、停业原则）

若线性规划问题有最优解，则最优解一定可以在可行域的顶点（）达到

线性规划问题若有最优解，则最优解（）

翻译：With Average or With Particular Average（WA or WPA）（）

在二元线性规划问题中，如问题有可行解，则一定有最优解。（）

在二元线性规划问题中，如果问题有可行解，则一定有最优解

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.

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。