您要查找的是不是：
- dynatron frequency meter 负阻管频率计
- Sound card frequency meter source code, for on-line collection. When downloading use, please respect. 声卡频率计源代码,为网上收集的。下载使用时,请尊重原创作者的版权。
- This is my collection of 51 frequency meter source, can have the necessary download. 这是本人收集的51频率计源码，有需要的可以任意下载。
- The digital frequency meter produces the electriccircuit, a survey control electric circuit, a counter, a latch and thepower circuit by a 1 second pulse is composed. 数字频率计由一个1秒钟脉冲产生电路、一个测量控制电路、一个计数器、一个锁存器和电源电路组成。
- Usually in the situation, may survey sketchily using the oscilloscope was measured that the signal the frequency, the precision measuring needs to use the frequency meter. 它的基本功能是测量正弦信号、方波信号、尖脉冲信号以及其他各种单位时间内变化的物理量，因此，用途十分广泛。
- Usually in the situation, may survey sketchily using the Oscilloscope was measured that the signal the frequency, the precision measuring needs to use the digital frequency meter. 它的基本功能是测量正弦信号、方波信号、尖脉冲信号以及其他各种单位时间内变化的物理量，因此，用途十分广泛。
- Implementation of the software oscilloscope, signal generator, frequency meter, multimeter functions, Audio can be within the scope of completely replacing this equipment. 本软件实现了示波器，信号发生器，频率计，万用表的功能，在音频范围内可完全替代上述仪器。
- butterfly tuner type frequency meter 蝶形调谐式频率计
- butterfly circuit type frequency meter 蝶形电路式频率计
- transmission type cavity frequency meter 传输式空腔频率计
- Frequency Meter for Frequency Inverter 变频器频率测试仪
- electronic counter type frequency meter 电子计数式频率计
- vibrating reed type frequency meter 振簧型频率计
- cavity tuned transmission-type frequency meter 空腔调谐传输式频率计
- frequency meter with double scale 并车用频率计
- television broadcasting frequency meter 电视广播频率计
- electron coupled frequency meter 电子耦合频率计
- transmission-type frequency meter 传输式频率计
- dynatron frequency 负阻管频率
- He varied the transmission frequency. 他变换了无线电传送的频率。
