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- remote sensing with audio frequency pulse 音频脉冲遥感
- I am majored in audio frequency amplifier. 我主修音频放大器。
- The middle part of an audio frequency. 中声频，中频声波频率的中间部分
- Purpose: Audio frequency power amplifier applications. 用途:用于音频功率放大。
- Scene supervisory system and audio frequency retransmission system; e. 现场监控系统及视音频转播系统;
- Purpose: Audio frequency general purpose ,driver stage amplifier applications. 用途:用于音频放大,激励级放大。
- 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；
- 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
- The high frequency pulse 50-100/sec is known as dense wave, the low frequency pulse 2-5/sec termed as rarefaction wave. 频率快的叫密波（高频），一般在50-100次/秒，频率慢的叫疏波（低频），一般在2-5次/秒。
- The nickel electroforming layers with nanocrystalline (nc) were obtained by using high frequency pulse current and strong electrolyte flushing. 采用高速冲液电铸装置、高频脉冲电流等方法,制备出金属镍纳米晶粒电铸沉积层。
- 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。
- In the paper, the high frequency pulse tube coolers (PTCs) developed for 80 K and below temperature application are introduced. 摘要首先介绍了作者开发的可用于80K及以下温区的高频脉冲管制冷机。
- 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；
- The paper introduction mechanism,application,selectio principal and some attentive items using of high frequency pulse TIG welding machine. 介绍高频脉冲TIG焊机的机理、用途、选型原则和使用时的注意事项。
- 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。
- Using a high frequency pulse radar of 300MHz, radar sounding was carried out at 150 points on Collins Ice Cap and the echo profile of bedrock in 15km distance was given. 使用一台300MHz高频脉冲雷达，对柯林斯冰帽150个测点进行冰厚探测，描绘出15km冰床雷达回波剖面。
- 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。
- To drive the two-phase hybrid stepping motor, we adopt constant frequency pulse and subdivides drive circuit with M535, which with low speed vibration and precision orientation. 采用M535驱动器作为步进电机的驱动控制器，采用具有低速振动和定位精度高的恒频脉宽细分驱动电路；
- 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。
