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chaoshengbo

于 2010-04-19 发布 文件大小:127KB
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代码说明:

说明:  超声波测量电路设计利用超声波来实现距离、速度、流量、浓度等的检测 ,具有其他检测方法无法比拟的显 优点。(Using ultrasonic ultrasonic measuring circuit to achieve distance, speed, flow, concentration of detection, other detection methods have significant advantages unmatched.)

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