系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。

不受尼奎斯特极限限制的超声技术是（）。

Shutdown price（or point，or rule） 停业价格（或停业点、停业原则）

何谓奈奎斯特速率和奈奎斯特带宽？此时的频带利用率有多大？

奈奎斯特无噪声下的码元速率极限值B与信道带宽H的关系为（）。

翻译：With Average or With Particular Average（WA or WPA）（）

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

何谓土的极限平衡状态和极限平衡条件?

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。