数字: figure; digit; numeral; char ...交换: exchange; swap; interchange; ...网络: network; electric network me ...数字交换网路: digital switching network电子数字交换网: electronic data exchange数字数据交换网络: digital data exchange network数字交换: digit switching; ds digital switching数字交换机: digital exchange数字交换区: digital exchange area包交换网络: packet network; packet switched network; psn packet switching network非交换网络: nonswitched network光交换网络: optical switching network交换网络: dialed network; dialup network; flip network; swap network; switched network; swn switching network无交换网络: non-switched network本地数字交换: dle digital local exchange程控数字交换: program controling of digital exchange数字交换程序: data exchange program数字交换单元: digital switching element; dse digital switch element; dsu digital switching unit数字交换电路: digital switched circuit数字交换矩阵: dsm digital switching matrix数字交换连接: dxc digital exchange connection数字交换模块: dsm digital switch module; dsm digital switching module数字交换能力: switched digital capability数字交换系统: des digital exchange system; digital switched system数字交换线路: digital switched circuit
