电信专业英英词典D-5
DCE
data circuit terminating equipment
DCP
digital communications protocol 2
DCS
digital cross-connect system
DDD
direct distance dialing
DDN
Digital L is another amplitude 4 condition that represents a binary 5 digit 0. See binary digit or bit.
Digital Carrier Systems
Digital Carrier Systems are carrier systems for digital signals that uses regenerative versus 6 linear repeaters and time division multiplexing.
Digital Cross Connect System (DCS)
DCS is a new generation of switching/multiplex equipment that permits per-channel DS0 (64 kbps) electronic cross-connection from one T1 transmission facility to another, directly from the constituent 7 DSl signals. Commonly referred to as "DACS" (digital access and cross connect system), although this is a trademark 8 of AT&T.
Digital Signal
A digital signal is a signal (electrical or otherwise) in which information is carried in a limited number of different (two or more) discrete 9 states. The most fundamental and widely used form of the digital signal is binary, in which one amplitude condition represents a binary.
Digital Termination Service (DTS)
DTS is a service provided by some carriers permitting opera tors of private networks to use digital microwave equipment to gain access to carrier net works. The FCC has allocated 10 a special microwave band for DTS.
- Her telephone number differs from mine by one digit.她的电话号码和我的只差一个数字。
- Many animals have five digits.许多动物有5趾。
- We must observe the correct protocol.我们必须遵守应有的礼仪。
- The statesmen signed a protocol.那些政治家签了议定书。
- The accused has the right to defense.被告人有权获得辩护。
- The war has impacted the area with military and defense workers.战争使那个地区挤满了军队和防御工程人员。
- The amplitude of the vibration determines the loudness of the sound.振动幅度的大小决定声音的大小。
- The amplitude at the driven end is fixed by the driving mechanism.由于驱动机构的作用,使驱动端的振幅保持不变。
- Computers operate using binary numbers.计算机运行运用二进位制。
- Let us try converting the number itself to binary.我们试一试，把这个数本身变成二进制数。
- The big match tonight is England versus Spain.今晚的大赛是英格兰对西班牙。
- The most exciting game was Harvard versus Yale.最富紧张刺激的球赛是哈佛队对耶鲁队。
- Sugar is the main constituent of candy.食糖是糖果的主要成分。
- Fibre is a natural constituent of a healthy diet.纤维是健康饮食的天然组成部分。
- The trademark is registered on the book of the Patent Office.该商标已在专利局登记注册。
- The trademark of the pen was changed.这钢笔的商标改了。