阻容耦合放大电路由于耦电合容的隔直作用，使每一级直流通路相互独立

OR指令的作用是: 。( )

专业技术资格有效期内，交流到非专业技术职务（资格）岗位（）年以内重新回到专业技术岗位的，可直接办理任职手续。

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.

高频开关电源整流器中输入电路的作用是将交流输入电压整流滤波变为平滑的高频脉冲电压。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在纯电感正弦交流电路中，电压有效值不变，增加电源频率时，电路中电流( )。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。