zh
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

要将收藏夹添加到列表中,您必须登录自己的账户。

登录 注册

术语汇编

技术在快速发展进步。因此,我们建立了易于使用的术语汇编,帮助您更好地了解影响您业务的术语、技术和趋势。

Integrated-Services Digital Network (ISDN)

An early dial-up predecessor of the DSL family that can support up to 128 kbit/s symmetrical service. ISDN is a usage-based service offered by telephone companies that is being rapidly eclipsed by DSL. ISDN is a circuit-switched technology.