通用计算机一般要比专用计算机的（）。

计算机网络服务中，（）是指专门提供服务的高性能计算机或专用设备，（）机是用户计算机。

计算机信息系统安全专用产品是用来保护计算机信息系统安全的专用的硬件和软件产品，比如（）。

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。

计算机按（ ）分类，可以分为通用计算机和专用计算机。

将计算机分为通用计算机、专用计算机两类的分类标准是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。