在磁路中，当磁阻大小不变时，磁通与磁动势成反比。（）

磁路和电路有相似之处，即可认为磁通对应于电流，磁动势对应电动势，磁阻对应电阻。

磁路和电路有相似之处，即可认为磁通对应于电流，磁动势对应于电动势，磁阻对应于电阻。

磁路的欧姆定律是：通过磁路的磁通与磁动势成正比，而与磁阻成反比。

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。

华北水利水电大学（花园校区）位于（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。