digital transmission and switching
数字传输与交换
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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应用推荐
模块上移
模块下移
不移动