... 本地数字交换机 LDS Local Digital Switch ; LDS 专用数字交换机 Private Digital Exchange 数字小交换机 digital branch exchange ...
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digital private branch exchange 数字专用分机交换
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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.
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。
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