Analysis of Telephone Connection Rate of Program-Controlled Customer Exchanger

Zhang Jing-fang

doi:10.3963/j.issn.1674-4861.2000.02.004

Issue 2

Apr. 2000

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Article Navigation > Journal of Transport Information and Safety > 2000 > 18(2): 13-14

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

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