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- microwave and radio frequency spectroscopy 微波和射频波谱学
- Basic Material of PCB for Microwave and Radio Frequency 微波射频用印制板的选材
- microwave and radio frequency 微波与射频电路
- Simulant attenuator has been widely applied in microwave and radio networks with MMICS and PIN diode networks. 摘要模拟衰减器在射频和微波网络中有广泛的应用，可用砷化镓MMICS和PIN二极管网络实现。
- 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。
- There are two existing frequency-hopping methods: Baseband Hopping and Radio Frequency (RF) Hopping. 有两个现存的跳频方法：基本频带跳频以及无线跳频。
- Sophisticated techniques have been developed for this process by using electromagnetic carrier waves operating at radio frequencies as well as microwave and millimetre wave frequencies. 在运用电磁载波的领域，高新技术得到进一步的发展，比如射频、微波以及毫米波的频率都被用来作为载频使用。
- The remained tonsils didn t exceed the level of the palato pharyngeal arch, and radio frequency was employed to stop bleeding. 结果术后上呼吸道阻塞症状全部消失,无大出血等并发症。
- Common physical identification systems that are used to track food product and ingredients include the use of bar coding and Radio Frequency Identification RFID. 用于溯源食品和食品成分的普通物理认证系统包括条形码和无线射频识别技术。
- Based on single-chip microcomputer control and radio frequency transceiver, this paper discusses all-open experimental teaching system with intellectualized management. 摘要利用单片机控制技术和射频收发技术，分析论证了全开放实验教学智能化管理系统。
- Politicians are often satirized on TV and radio. 政客常遭到电视与无线电广播的讥讽。
- Light is an electromagnetic wave, with a longer wavelength than X-rays and ultraviolet, and a shorter wavelength than infra-red, microwaves and radio waves. 光是一种电磁波，其波长长于X光和紫外线，短于红外线、微波和无线电波。
- Novel tools such as traceability software, bar-codes and radio frequency identification tags and their rapid adoption throughout the food manufacturing chain will improve the efficiency of the process. 整个食物制造线应迅速采用新颖的工具例如追踪软件,条形码和利用天线频率来做确认卷标,这将会使过程更为有效率。
- Radio frequency and communication test equipment. 射频通信综合测试仪。
- In the neutron radiation environment, low field resistance of bulk effect diode increases, working current and radio frequency output drop down,V-I characteriati cch-anges and even the negative resistance characteristic disappears. 实验观察到中子辐照环境中体效应二极管低场电阻变大,工作电流和射频输出下降,VI特性变化,甚至使负阻特性消失。
- Novels are often adapted for the stage, television and radio. 小说常被改编为舞台剧本。
- Gallium Nitride - New Material for Microwave and Optoelectronics. 氮化镓-微波与光电元件的新材料。
- The telephone, clock, and radio are handily located by the patients bedside. 电话，钟和无线电就放在病床边，非常方便。
- The service can be programmed to use prearranged phone numbers and radio frequencies to automatically alert public safety organizations when there is a crisis. 该服务可利用预先编程的电话号码和无线电频率在发生危机时自动提醒公众安全组织注意。
- 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。
