计算机专业英语阅读材料（1）

　　计算机英语(1)

　　Desktop Pattern

　　In the graphical user interface of Microsoft Windows 98,a graphical pattern-called wallpaper-displayed on the desktop (the background "beneath" windows, icons, and dialog boxes). The pattern or picture in the screen background that can be chosen by the user. To change the desktop pattern, choose Display from the Control Panel.

　　桌面图案

　　在Microsoft Windows 98的图形用户界面中,一种显示在桌面上称为壁纸(Wallpaper )的图形图案(窗口、图标和对话框后面的背景),屏幕背景可由用户选择图案样式或画面。要改变桌面图案时,从控制面板上选择显示方式。

　　计算机英语(2)

　　Federated Database

　　In scientific networking ,a collaborative database (part of a collaborator) in which scientists pool their knowledge and discoveries .Federated databases are one proposed solution to the Grand Challenges——problems that are so complex that they far outstrip the capabilities of individual scientists ,or even individual research institutions ,to tackle them independently.

　　联合式数据库

　　在科学联网中,科学家们汇集其知识和发现的一种合作数据库(合作的一部分)。联合数据库是对种种重大挑战问题(Grand Challenges)的一种建议性的解决方案——这些问题太复杂,以致于超出单个科学家的能力,甚至单个研究所都无法来单独解决它们。

　　计算机英语(3)

　　Collapse

　　When creating an outline or viewing a directory tree (such as in the Windows Explorer ),the process of hiding all the outline levels or subdirectories below the selected outline heading or directory.

　　折叠

　　当生成一个题纲或观察一个目录树(如在Windows资源管理器中)时,在选定的题纲标题或目录下隐藏所有的题纲层或子目录的过程 。

　　计算机英语(4)

　　Collision

　　In local area networks (LANs) ,a garbled transmission that results when two or more workstations transmit to the same network cable at exactly the same time . Networks have means of preventing collisions.

　　冲突

　　在局域网(LANs)中,当两个或多个工作站恰好在同时向同一个网络线路上传送(数据)时产生的错乱传输。网络拥有防止冲突的方法。

　　计算机英语(5)

　　Shift key

　　A key that ,when pressed in combination with another key ,gives the other key an alternative meaning ;for example ,producing an uppercase character when a letter key is pressed .The Shift key is also used in various key combinations to create nonstandard characters and to perform special operations .Early IBM keyboards labeled the Shift key only with a white arrow .Later keyboards label this key with the word Shift.

　　上档键(又译为换档键)

　　当一个键与另一个键组合使用时,它可改变另一个键的含义,例如，在按下某个字母键时产生大写字母。上档键也可用在各种键组合中，以生成非标准字符和执行特殊操作。早期IBM键盘仅用一个白色箭头标明换档键,后来的键盘用Shift标明这个键。