MATLAB是一种面向数值计算的高级程序设计语言。

路由器是一种智能型网络设备，其基本功能是：网络连接，（）和设备管理。

网络管理系统由若干被管代理、至少一个网络管理器、一种网络管理协议和一个或多个（）组成。

Winzip是一种备份工具。

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。

会计的本质是一种管理工具。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。