by-channel的意思|示意

Variable frequency - speed system of water for high building using PLC control was designed by - channel integral circuit.

应用电子技术按设定频率上、下限实现自动转换的双通道积分电路,并按此设计PLC控制 的变频调速高楼供水系统.

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The proposed method can solve the decline of the video quality cased by channel transmission errors.

该方法用以改进由于信道传输错误带来的接收端视频质量下降的问题.

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This paper discusses how to enhance the reliability of stand by channel.

叙述了提高衢州地区备用通道可靠性的具体措施.

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