“极点”现象主要出现的运动项目是（）

根轨迹是根据系统开环零极点分布而绘制出的闭环极点运动轨迹。

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。

运动水平高的中长跑运动员“极点”出现的早，消失的也快

运动水平高的中长跑运动员“极点”出现的晚，消失的也快

A、B是高阶系统的二个极点，一般当极点A距离虚轴比极点B距离虚轴大于（）时，分析系统时可忽略极点A。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。