请简述规则库的概念及作用。

简述一般项目管理的概念及特征。

可以在（）阶段采用Make-or-buy决策分析。

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.

请简述网上保险的概念及特点。

请简述推理机的概念及作用。

决策支持系统主要支持以下哪类决策问题?

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

职业生涯决策的概念及分类？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。