整流电路就是利用整流二极管的单向导电性将（）变成直流电的电路。

硅整流二极管的特性是单向导电。

整流电路是利用二极管的(  ) 特性。 

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。

利用半导体的（）特性可实现整流。

整流电路是利用（）特性实现的。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。