爱思英语编者按:IT计算机英语词汇2000:unit 12,含有15个关于IT计算机英语词汇,包括了单词和句子中英对照解释。 
 
desk checking桌面检验
Desk checking should  be done before the program is actually run on a computer.
桌面检验应该在程序实际运行前进行。
 
desktop accessory 桌面附件
Desktop help users to streamline their daily activities.
桌而附件帮助用户更方便地处理日常事务。
 
dialog box对话框
Dialog  boxes  make  software easier to use.
对话框使软件应用起来更容易。
 
dial-up connection拨号上网
For  dial-up  connection,you need a computer,a modem,and a telephone line.
拨号上网需要一台电脑、一个调制解调器和一条电话线。
 
digital ['dɪdʒɪt(ə)l] 数码的
I use a digital camera to take pictures.
我使用数码相机拍照。
 
digital camera数码照相机
Digital cameras produce images in digital form that can be transmitted directly to a computer's  hard  disk  for manipulation,storagre and printing out.
数码照相机可以形成数字影像,这些影像能够直接被传输到计算机的硬盘上进行加工处理、储存或打印。
 
digital cellular phone 数字移动电话
Digital cellular phone networks promise clearer sound.
数字移动电话网使通话更加清晰。
 
digital signal processor数字信号处理器
Modern encoders are not only used in the CD-ROM area, but also as a means of transmitting signals,they use  a  number  of  digital signal processor to form a vision encoder.
现代编码器不只应用在CD-ROM领域,而且也是一种传输信号的手段,编码器使用一些数字信号处理器来构成视频编码器。
 
digital signature数字签名
A  digital  signature  is  a string  of  characters  and numbers that a user signs to an electronic document being sent by his or her computer.
数字签名就是用户签在由其计算机发送出的电子文件上的一串字符和数字。
 
digitized speech数字化语音
Digitized  speech  is  the speech sounds that are recorded in digital form and out put in analog form.
数字化语音就是以数字形式记录并以模拟形式输出的语音。
 
direct access storage 直接存取存储器,直接访问存储器
Direct  access  storage  is much faster than sequential storage.
直接存取存储器比顺序存储器要快多了。
 
direct file organization 直接文件组织
Direct file organization is ideal for the application of airline reservations systems.
直接文件组织对于航空预订系统的应用是非常理想的。
 
direct implementation 直接实现
Direct implementation is a method of system conversion  in  which  the  users simply stop using the old system and start using the new one.
直接实现是一种系统转换方法,通过这种方式用户可以简单地停比使用老系统,启用新系统。
 
direct synchronous multiplexing 直接同步复用
The  SDH  standards  are based on the principles of direct  synchronous  multiplexing.
 SDH标准的基础是直接同步复用。
 
directory [dɪ'rekt(ə)rɪ; daɪ-] 目录,号码表
Directories  are  useful  for browsing Web pages in general category and finding items of interest.
目录对于在综合类别中浏览网页,并找到自己感兴趣的条目是很有用的。