射极输出器的输出电压与输入电压()。

输出继电器（OR）通过一对（）触点将PLC的控制信号传递给负载。

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。

集成运放的输出级一般采用输出电阻很低的射极输出器或由射极输出器组成的（）输出电路。

射极输出器的输出电阻小，说明该电路（）。

射极输出器的输出电阻小，说明该电路的（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。