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- Electronic let-off：Moment,Frequency Convertor,A.C.Servo-Control. 电子送经：力矩型，变调型，交流伺服型。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- This paper relates that frequency convertor's elements and it's apply of the field of packing and food machinery. 本文论述了变频调速器的原理及其在食品包装机械中的应用。
- Equipped with high speed and high power electric spindle powered by static frequency convertor,featuring low energy consumption and low noise. 采用高速大功率电动砂轮轴，由静止变频器供电，能耗低、噪声小。
- He manipulated the frequency dial of the radio. 他开始调拨频率键盘。
- The pitch depends on the frequency. 音调的高低是由频率决定的。
- The resulting frequency varies by a few percent. 最终频率有少许变动。
- I am majored in audio frequency amplifier. 我主修音频放大器。
- Small dissipation factor at high frequency. 高的频率和小的损耗因素.
- Spread the palpitate frequency love till ending. 循着心跳的频率爱到永不分离。
- Wave speed equals frequency times wavelength. 波速等于频率乘以波长。
- Main motor is frequency convertor to sync with double backer synchronous belt drive to assure top &bottmm glue stage sync absolutely. 采用变频马达作动力，实现与双面机的可靠同步联动。机内采用全同步带传动，确保上、下层的绝对同步；
- As she moved up in frequency, her ascension began. 当她频率增加时，她的提升也就开始。
- Fast frequency hopping avoids interference. 快速跳频避免干扰。
- He wrote to both with tolerable frequency. 他和他们通信，相当频繁。
