简述直剪仪的优缺点。【三峡大学2006年研究生入学考试试题】

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.

Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival. 

Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

由国立山西大学1943年度新生入学试题清册中看到，考试内容包括：数学、史地、生物、公民和（）等科。

饱和粘性土的不固结不排水强度主要取决于()【三峡大学2006年研究生入学考试试题】

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。