系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。

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

信息处理技术员考生信息库中，具有“准考证号”、“姓名”、“笔试成绩”与“机考成绩”等字段。按“笔试成绩＞0 and机考成绩＞0”查询，有r1人；按“笔试成绩＞0 or机考成绩＞0”查询，有r2人，则必然有关系(69)。

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

左心衰竭的体征是（　　）。

左心衰竭的体征是（）

简述左心衰竭和右心衰竭的症状和体征。

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。