查询词典 ultrasonic frequency

As we have learned, breed of this kind of software is various, the principle of place introduction is to use high frequency ultrasonic to come drive midge.

据了解，这类软件品种繁多，所介绍的原理都是用高频超声波来驱蚊。

After a description of the basic principle of vertical ultrasonic guided wave, this paper has made an analysis on the variation of the displacement offset of vertical mode variant with frequency; it has also presented an approach by which a pectinate symmetrical transducer be used to effectively detect pipeline flaws.

在纵向超声导波基本原理的基础上，分析了两种纵向模式位移分量随频率的变化而变化的情况，给出了一种梳状对称换能器对管道缺陷的有效检测。

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Via counting the input counter spot frequency clock pulse in the ultrasonic round-trip time,the measurement dis-tance is displayed.The algorithm is novel.

该数字式超声波测距仪对超声波从发射到返回的时间内输入到计数器特定频率的时钟脉冲进行计数，进而显示对应的测量距离。

In the dissertation, we apply generally time-frequency analysis method to the MSS estimation and ultrasonic scatterer spacing imaging.

论文的主要工作在于

In the process of ultrasonic vibration cutting, the resonant frequency of mechanical syntonic system varies in a wide range because of system's heating up and variable loads.

在超声振动切削中，由于系统的发热及加工负载的变化，机械谐振系统的谐振频率会在较大范围内发生变化。

If the ultrasonic power doesn't work at the resonant frequency of mechanical syntonic system, UVC is not able to go along continuously and stably.

若超声波电源的工作频率不能自动跟踪机械系统的谐振频率，超声振动切削就无法持续稳定地进行。

Power enterprises to meet the needs of modern, ultra-high frequency method,ultrasonic method,chromatography and many other oil-line partial discharge detection techniques can be developed and applied in reality.

为满足现代电力企业的需求，超高频法、超声波法、油色谱法等许多局部放电在线检测技术得以发展，并在现实中得到应用。

High-frequency ultrasound has important diagnostic value in the Disease of the musculoskeletal system,as an unfound,fast and easy to reduplicative imaging in Musculoskeletal system diseases.The sound beam of ultrasonic visualization can cut through the joint space,which offers a convenient and shortcut bases in the localization.

高频彩超作为一种无创、快速、便于重复的影像学检查方法，对于肌肉骨骼系统疾病应用诊断价值高，超声显像的声束能从骨关节间隙中穿过，在定位方面提供了简便快捷的依据。

Because of the temperature rising of ultrasonic motors, load changes, and vicinal surrounding changes and so on, the resonant frequency will shift, leading to working stability drop.

由于超声波电机的温升、负载变化及周围环境变化等原因，使电机的谐振频率发生漂移，这将影响超声波电机运行的稳定性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。