在连接握手时，SSL利用公钥算法和数字证书在素不相识的各方之间建立信任并交换当前会话的私钥。
At a connection handshake, SSL utilizes public key algorithms and digital certificates to establish trust between parties that haven't met before and exchange private keys for the current session.
所以这个数字包括已连接的主线和用于将来连接的可用主线数，包括交换技术操作主线(测试号码)。
This number includes, therefore, main lines already connected and main lines available for future connection, including those used for the technical operation of the exchange (test Numbers).
指连接到数字交换机的主线百分比。
Refers to the per cent of main lines connected to digital exchanges.
这个百分比通过连接到数字电话交换机的主线数除以主线总数得到。
This percentage is obtained by dividing the number of main lines connected to digital telephone exchanges by the total number of main lines.
本文主要叙述了数字交叉连接系统的功能、与数字交换机的区别、基本组成、各种类型的应用范围，以及发展前景。
This paper describes the functions of digital crass-connect system and distinctions from the digital switch. Basic configurations, various applications and its development trend also discussed.
宽带数字对称电缆：符合标准：YD/T818。用途：电缆主要用于数字交换设备之间的连接，也用于宽带网络传输。
Broadband Digital Symmetrical Cable: Conform to the standard:YD/T818. Usage:Mainly used for connection between digital switching equipments and Broadband Networks.
宽带数字对称电缆：符合标准：YD/T818。用途：电缆主要用于数字交换设备之间的连接，也用于宽带网络传输。
Broadband Digital Symmetrical Cable: Conform to the standard:YD/T818. Usage:Mainly used for connection between digital switching equipments and Broadband Networks.
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