您要查找的是不是：
- 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。
- The testing system was mainly composed of PLC, MMI, frequency converter, approach switch and acceleration transducer. 并通过plc、MI、频器、近开关、速度传感器等组成的控制系统完成了对零部件的振动试验。
- The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band. 声发射源与接收讯号传感器间的距离以及环境噪声的电平是选择频带的主要依据。
- Methods:ATL HDI 5000 ultrasonic system with L12 5 superwide frequency transducer was available. 方法 :采用ATL HDI 5 0 0 0超声诊断仪 ,L12 5超宽频探头。
- These models use a simulated input transducer that vibrates purely sinusoidally with a fixed frequency. 这些模型采用一个模拟输入探头，以完全正弦波的形式按固定频率振动。
- Supply voltage (effective value, frequency and waveform) for which the technical specifications of the force transducer apply. 力传感器所使用的技术说明中所规定的供电电压(有效值、频率、波形)
- 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。
- Methods HDI 5000 Sono CT system and C5~2 superwide frequency transducer performed 3D-CPA examination in 30 hepatic carcinomas and 24 hemangiomas. 方法对30个肝癌结节和24个肝血管瘤结节进行三维血管能量成像,使用仪器为HDI5000 Sono CT彩色超声诊断仪。
- As she moved up in frequency, her ascension began. 当她频率增加时，她的提升也就开始。
