The paper researches information of open network CNC system, sets up module of information and elaborates the key technology of information integration of CNC system.

论文对开放式网络数控系统的各种信息进行了研究，并建立了各种信息模块，详细论述了数控系统信息集成的一些关键技术。

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However, two sets of channels should be used to perform open and short calibration, so the system can only test up to eight capacitors.

然而，两组通道必须被用于进行开路和短路校准，所以，系统最多仅能测试8个电容器。

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