经济上的评价包括哪些方面？

什么是经济效益？运输经济效益方面的指标包括哪些？

简述系统的可用性包括哪些方面？

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。

以下哪些情况会造成提示“Incorrect number or IP address”？（）

鉴定功能指采用一定的测评技术和方法对被测评者相应要素进行客观的评价，发现测评对象在哪些方面为优，哪些方面为良，哪些方面还存在着不足，用来帮助被测评者做出相应的改进。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。