简述布尔算符（OR）的作用。

在搜索引擎中输入检索式：“公司OR企业”表示检索结果（）

简述直剪仪的优缺点。【三峡大学2006年研究生入学考试试题】

简述企业战略目标的结构？

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.

在制定中小型企业的战略目标时，要正确合理地确定其销售收入目标和利润目标。这类目标属于（）。

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。