延迟环节 的相频特性为（）

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.

惯性环节的频率特性是G（jω）=1/（jTω+1），它的幅频特性为（）相频特性为（）

频率特性是指系统的幅频特性不包括系统的相频特性。

某环节的传递函数为 ，当ω从0到∞时，其相频特性始终是（）。

微分环节的传递函数为ks，则它的幅频特性是kω，相频特性是90o。

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。