The system has run in a telephone and telegraph office of city C. The operation results show that the design of the system is reasonable and stable.
该系统已在C市电信局运行，结果表明该系统设计合理，运行稳定可靠。
The system has run in a telephone and telegraph office of city C. The operation results show that the design of the system is reasonable and stable.
该系统已在C市电信局运行，结果表明该系统设计合理，运行稳定可靠。
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