电感量一定的线圈，产生自感电动势大，说明该线圈中通过电流的（）。

电感量一定的线圈，产生自感电动势大，说明该线圈中通过电流的（）。

当线圈中电流减少时，线圈中产生的自感电流方向与原来电流的方向相同。

(单选题)线圈中自感电动势的方向()(本题2.0分)

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。

面料经纬向判定，对于有布边的面料，与边平行的方向为（）（经向or纬向）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。