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超音频
1、frequency generator───[计]频率发生器
2、frequency range───频带; 频段；[电子][通信]频率范围
3、frequency modulation───调频
4、frequency equation───频率方程
5、capsaicin frequency───辣椒素频率
6、frequency───n.频率；频繁
7、cutoff frequency───截止频率
8、cumulative frequency───[统计]累积频率，[电子]累积频数
9、frequency polygon───[统计]频数多边形
1、Improvement on Distortion of Roll-teeth Mould by Supersonic Frequency Induction Hardening───超音频淬火改善轧齿模的畸变
2、This device consists of inverter major circuit and monitoring system based on ARM7 chip AT91M55800. The main circuit produces power supersonic AC output with adjustable frequency and changeable power.───该装置由逆变主电路和以arm 7单片机at91 M 55800为核心的测控XiTong组成。逆变主电路实现了频率和功率均可调的超声频交流电的输出。
3、In view of the limitation of safety and efficiency of current water-heater, the basic structure and principle of a supersonic-frequency induction water-heater are introduced.───针对目前热水器的安全，效率等局限性，本文介绍了一种超音频感应加热热水器的基本结构和原理。
4、In this article we introduce the basic principle of supersonic measure distance, and analyze the structure and frequency characteristic of supersonic sensor.───本文介绍了超声测距的基本原理，对超声传感器的结构及频率特性进行了分析。