Both transmission device and switching device are entirely digital, it's easily to control system and search data with multimedia computer which could reduce cost and improve performance.
采用了全数字化的传输和交换设备，利用多媒体计算机进行监控和辅助检索。使得成本降低，效率提高。
Both transmission device and switching device are entirely digital, it's easily to control system and search data with multimedia computer which could reduce cost and improve performance.
采用了全数字化的传输和交换设备，利用多媒体计算机进行监控和辅助检索。使得成本降低，效率提高。
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