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- audio frequency amplifier tube 声频放大管
- I am majored in audio frequency amplifier. 我主修音频放大器。
- Purpose: Audio frequency power amplifier applications. 用途:用于音频功率放大。
- Purpose: Audio frequency general purpose ,driver stage amplifier applications. 用途:用于音频放大,激励级放大。
- first audio frequency amplifier 第一级声频放大器
- audio frequency amplifier 音频放大器,声频放大器
- high frequency amplifier tube 高频放大管
- The middle part of an audio frequency. 中声频，中频声波频率的中间部分
- Scene supervisory system and audio frequency retransmission system; e. 现场监控系统及视音频转播系统;
- Can control audio frequency signals remotely，the volume can be modulated. 可对各路音频信号进行远程操控，音量可调；
- Primary experimental study of resonator Cerenkov oscillator-tapered amplifier tube operated at low magnetic field[J]. 引用该论文 杨建华;张亚洲;舒挺;王勇;张建德;赵延宋.
- An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment. 啸声干扰一种由于诸如闪电等大气干扰而产生的音频电磁波，具有典型的逐渐减弱频率的特征，该频减引起了检波设备中调逐渐下降的啸声
- Simultaneously we append a high frequency amplifier in the high frequency sector, in order to recover the reduction of the gain in the new system. 同时，在改进后雷达的高频部分增加高频放大器，以抵消天线改进后引起的增益下降。
- The main hardware of multi-media computer is composed of CD-ROM, video frequency, audio frequency. 多媒体计算机的主要硬件包括：CD－ROM（光盘驱动器）、视频卡和音频卡。
- Select frequency amplifier in this paper constitute LPF(Low-Pass Filter) and HPF(High-Pass Filter).It is easy to adjust and to design because there is less parameter. 本课题设计的选频电路由高通滤波电路和低通滤波电路级联组成,电路参数较少,易于设计和调节。
- The audio frequency alternately service system(VOD), and indoors viewability bill inquiry service. 视音频交互服务系统（VOD），提供客房内可视性帐单查询服务；
- Also there is no "Ghosting" or reflective signals that occur as there is no audio frequency being transmitted. 观察这一次的锁定方向，两个方向的交叉点就是目标物的埋藏位置。
- This paper introduces the principle and tested results of measuring nodulizing grade by audio frequency method. 介绍了音频法检测铸件球化级别的原理及试验结果。
- A new method for power measurement of audio frequencies is introduced. 介绍了一种音频范围内功率测量的新方法。
- Through the music switcher, music play mode and audio frequency mode can be chosen, which have a very good effect. 通过音乐开关可选择音乐播放、音频方式治疗，有很好的治疗效果。
