Analysis of Telephone Connection Rate of Program-Controlled Customer Exchanger
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张静芳. 对程控用户交换机电话接通率的分析[J]. 交通信息与安全, 2000, 18(2): 13-14. doi: 10.3963/j.issn.1674-4861.2000.02.004
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| Citation: |
Zhang Jing-fang. Analysis of Telephone Connection Rate of Program-Controlled Customer Exchanger[J]. Journal of Transport Information and Safety, 2000, 18(2): 13-14. doi: 10.3963/j.issn.1674-4861.2000.02.004
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