输出继电器（OR）通过一对（）触点将PLC的控制信号传递给负载。

文书学与秘书学是（）。

文书学和秘书学都是（）。

曹操设置的秘书令，秘书丞在中国秘书史上的意义。

1890年，美国个性心理学家（）发表了《心理测验与测量》的论文，介绍了他编制的第一套心理测验试题，并用这套试题测量了哥伦比亚大学的学生，使测验走出实验室直接应用于实际。

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.

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。