两条风阻值相等的巷道，若按串联和并联2种不同的连接方式构成串联和并联网络，其总阻值相差（）倍。

直放站可以采用串联方式，最多只能串联（），串联的直放站性能较差，除非必要一般不建议采用.

太阳能电池板只能采用串联使用。

梯形图中二网络串联，采用的助记符指令为（）

考试机构应在考试后最多（）工作日内完成考试成绩的审查。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

（）是海量考试试题信息服务系统，可满足网络化教学的需要，使学生更快地适应机式阅读和答题方式，由纸质化考试向上机考试转轨。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。