若设定的条件表达式为“＜60 Or＞100”，则表示( )。

在搜索引擎中输入检索式：“公司OR企业”表示检索结果（）

Keyboard Error or no keyboard present.表示哪个配件有问题（）

沼气中硫化氢的浓度超过多少时，会对人造成伤害？

HTML代码表示（）。

HTML代码表示（）

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。

F1系列PLC—OR指令表示（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。