medium frequency wave
英 [ˈmiːdiəm ˈfriːkwənsi weɪv]
美 [ˈmiːdiəm ˈfriːkwənsi weɪv]
【电】中波
双语例句
- In dynamic state all the medium parameters are complex functions verse frequency, and wave expression is also a complex function verse frequency.
在动态情形下所有的介质参数都是依赖于频率的复函数，波也用频率的复函数表示。 - This discussion has some theoretical research and practical application significance for how to treat the electric quality of conductive medium according to the frequency of the electromagnetic wave.
研究结果对如何根据电磁波的频率来处理导电介质的电性能问题具有一定的理论研究和实际应用意义。 - AIM: To observe the change of pain scores and its intervention effect after treatment with acupuncture combined with cupping in patients with chronic lumbar muscle strain and compare the curative effect with the method of medium frequency electrotherapy combined with ultrashort wave electrotherapy.
目的：观察慢性腰肌劳损患者经针刺结合火罐疗法治疗后疼痛指数的变化及其干预效果，并与电脑中频结合超短波疗法进行比较。 - The ground probing radar detects the target medium's inductivity through high frequency pulsed electromagnetic wave, and determine the liner thickness, crannied status and voidage behind liner etc.
地质雷达利用高频电磁脉冲波探测目标介质的介电常数，能够快速准确地掌握衬砌结构的厚度、衬砌裂隙及背后空洞等情况。 - The carrier frequency of medium frequency electricity was 4 kHz with modulating frequency of 100 Hz in manner of continuous wave, the electric current of medium frequency was 2 mA and acting time of 10 min.
中频电载波频率4kHz，调制频率100Hz，采用连调波型，中频电流为2mA，作用时间为10min。 - This paper deals with the physical mechanism of sound propagation regarded as an adiabatic process in gaseous medium and intends to correct the wrong version that the frequency of sound wave is so high that the heat produced in the sound field cannot spread out in time.
本文对论了声波在气体媒质中的传播过程是绝热过程的物理机制，并指明：因为声波频率太高，热量来不及传播出去的说法是错误的。 - RESULTS The curative efficiency treated with the ultrasound medium frequency electrotherapy was 90% and treated with ultrashort wave therapy was 72%.
[结果]超声中频组痊愈显效率为90%，超短波组为72%。 - Ultrasonic probes; medium frequency, miniature shear wave, angle probes
超声探头&微型中频横波斜探头 - Electromagnetic wave reflection coefficients are calculated out by separate selection variable of gap dimension, clearance, cell period and medium electricity parameter ε? μ, variation specialties are discussed, and the conclusions of frequency selection property indistinctively, wave reflection weak and frequency range extension etc are got.
通过开口尺寸、间隙、单元周期及介质电参数ε、μ的变化，计算了电磁波的反射，讨论了变化的特性，得出这种结构具有弱的频率选择性、波反射减弱和频带展宽等结论。 - Because of the no complete flexibility of the earth's surface medium, the Rayleigh Wave velocity that spread in it changes with frequency. This kind of phenomenon is called the dispersion phenomenon of the Rayleigh Wave.
由于地球表面介质的非完全弹性，致使在其中传播的瑞雷波速度随频率的变化而变化，这种现象被称为瑞雷波（Rayleighwave）的频散现象。 - The results show that the medium and high frequency components of laser beam are effectively suppressed and the near field beam distribution improved. ( 2) The design method of angular filter is initially established on the basis of coupled wave theory.
研究结果表明：角选择滤波器可以有效地抑制光束中的中高频调制，提高光束近场质量。（2）建立了基于耦合波理论的体布拉格光栅设计体系。 - The sound field is complex in medium frequency range, so an improvement was made based on traditional wave decomposition method, several sensors are used, and the number of testing points was increased through changing the position of sensors.
中频情况下管道内的声波分布较复杂，于是在传统的声波分解方法的基础上对其进行改进，增加了传感器的数量，并通过多次改变传声器位置的方法增加了测点的数量。 - The light in medium is considered as electromagnetic wave with certain frequency based on Electromagnetic Wave Theory. And the scalar differential formed of Maxwell Equations for photonic crystal was derived.
以电磁波理论为基础，将介质中的光理解为一定频率的电磁波，给出了光子晶体的麦克斯韦方程组的标量微分形式。