简述安全人机工程学在安全工程学学科体系中的地位？

安全人机工程学是人机工程学的一个分支，它是从（）的观点出发，为进行系统安全分析和预防伤亡事故和职业病提供人机工程学方面知识的科学体系。

简述人机工程学的定义。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

解决人机尺度匹配关系的人机工程学与解决人机交互关系的产品语义学体现了产品设计的哪一个基本原则?

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。