把双端输出改为单端输出，差动放大电路的差模放大倍数（）。

差动放大电路采用双端输出时，其差模电压放大倍数与单管放大时相等，采用单端输出时是单管放大时（）。

差动放大电路采用双端输出（）

  差动放大电路采用双端输出时,其差模电压放大倍数与单管放大时相等,采用单端输出时是单管放大时()。

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。

由集成运放组成的差动放大电路，输出为两个输入之差。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。