变压器并联运行必须同时满足联结组别必须相同；变比必须相同；（）。

制粉系统运行必须同时满足干燥出力、磨煤出力与通风量的要求。

电力系统运行中，有三种必须同时满足的稳定性要求，即同步运行稳定性、（） 稳定性和电压稳定性。

面对环境污染严重、生态系统退化的严峻形势，必须尊重自然、顺应自然、保护自然，必须树立的建设理念是（）。

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.

如果一个系统既满足（）同时又满足（），则该系统为线性系统。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。