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- This new product or new technology will not cause any damage to individuals or organizations, nor will it result in chaos communications, because it does not need a new radio frequency resources. 这个新产品或者新技术的应用不会对任何个人或者组织造成损害，也不会造成通信秩序的混乱，因为它不需要新的无线电频率资源。
- Radio frequency resource 无线频率资源
- 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。
- On the radio frequency resources allocation method from the point view of economics 从经济学角度谈无线电频率资源配置方式
- 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）。
- 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。
- In order to increase the efficiency on using limited frequency resource, orthogonal polarization is normally adopted for frequency reuse, thus offering double bandwidth at the certain working band. 为了充分利用有限的频谱资源，卫星通信采用正交极化频率复用方式，在给定的工作频段上提供双倍的使用带宽。
- Is Radio Frequency communication 'among' automatic machines allowed? 是否允许自动机器人之间的射频通讯?
- Read/Write device of radio frequency card in the onboard system is designed. 设计了一种车载仪系统射频卡读写器;
- With the rapid development of information all over the world, HFC network becomes one of the preferable kinds of broadband access network because of its broad band, rich frequency resource, convenient access measure and low rebuild expenses. 随着世界范围内信息高速公路建设的迅速发展，HFC网络作为一种宽带接入网络，越来越显示出其特有的优势：极宽的传输频带、丰富的频率资源、方便的接入手段和相对较低的技术改造费用。
