... ultrasonic method of material testing 超声材料试验法 ultrasonic method of measuring 超声测量法 ultrasonic micrometer 超声测微计 ...
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In this paper, a new ultrasonic method of measuring the amount of sand contained in fluid or in sediment model has been introduced.
本文所提出的超声测沙方法的原理，是根据超声波在含沙水流中传播时在悬沙上产生的反射波的数目来测量含沙量的大小。
This paper expounds the measuring principle of ultrasonic liquid gauge, its practical hardware circuit and software design method.
阐述了超声波液位计的测量原理，给出了实用的硬件电路与软件设计方法。
The principle and method of measuring the acoustic speed CVD diamond film with piezoelectric film detecting laser ultrasonic system are presented.
本文介绍了压电薄膜检测的激光超声系统对CVD金刚石膜声速测量的原理及方法。
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