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- radio frequency region 射频范围
- RF Radio Frequency Level Controller. RF系列射频导纳式物位控制器。
- Radio frequency and communication test equipment. 射频通信综合测试仪。
- Radio frequency circuit design II. 射频电路设计2。
- Vulnerable to radio frequency radiation interference. 易受射频辐射的干扰。
- Tuner will be able to track the frequency-hopping radio frequency. 调谐器可以追踪跳频无线电频率。
- Internal capacitors to suppress radio frequency interference. 内置抗电磁干扰电容。
- Transmission can be done by cable, radio frequency and satellite. 传递可通过海底电缆，无线电波和通信卫星来进行。
- The AGC technology in the radio frequency channel is also studied. 研究了射频信道中的自动增益控制(AGC)技术。
- Method of insertion loss measurement for radio frequency filters. 射频滤波器插入损耗的测量方法。
- Is rhinitis of cure of microtherm plasma radio frequency good? 低温等离子射频治疗鼻炎能好吗？
- Radiated EMI is also called radio frequency interference (RFI). 辐射引起的电磁干扰，也称为射频干扰（RFI）。
- They are also basicallywithout soundstage no surreal orlackscene feelingand lacks oomph in the lower frequency region. 这些音响设备基本上也没有音阶、没有空灵感、缺乏感染力或在低音部分没有冲击力。
- A zero walkoff point occurs at the low frequency region in this photonics crystal fiber (PCF). 双折射、走离参数与频率的依赖关系与普通保偏光纤存在很大差别。
- The hearing aid earmold occlusion effect is focused on the low frequency region below 400Hz and drilling a vent is an effective method to resolve it. 配戴助听器耳模后,堵耳效应在400Hz以下最为显著,加开通气孔可显著解决堵耳效应问题。
- Supporting hand-held devices, such as PDAs and radio frequency devices. 支持手持设备，例如pda和射频设备。
- Is Radio Frequency communication 'among' automatic machines allowed? 是否允许自动机器人之间的射频通讯?
- Graphical Electromagnetic Computing (GRECO) is recognized as one of the most valuable methods of the RCS (Radar Cross Section) computation for the high frequency region. 图形电磁计算 (GRECO)技术是目前分析高频区复杂目标雷达散射截面 (RCS)最有效方法之一。
- This paper describes a piezoelectric drive circuit which can find the syntonic frequency of motor through scanning frequency region based on computer controlling. 提出了一种基于计算机控制的压电超声马达谐振频率自动搜寻系统。
