求翻译：数字频率计是一种专门对被测信号频率进行测量并且直接用十进制数字来显示测量值的电子测量仪器，是计算机、音频视频、通讯设备等科研生产领域不可或缺的测量工具。它不仅能够测量正弦信号，方波信号以及其他各种周期性信号的频率和周期，而且还能对其他多种物理量的变化频率进行测量，在工程中被广泛地应用。是什么意思？

The digital frequency meter is a specialized measurement and the direct use of decimal digits to display the measured value of electronic measuring instruments, measurement tools is indispensable in the field of computer, audio, video, communications equipment research and production of the signal f

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The digital frequency meter is one kind to was measured specially and the signaling frequency carries on the survey with the decimal digit to demonstrate directly the observed value the electronic surveying instrument, is the computer, the audio frequency video frequency, the communication equipment

Digital frequency meter is a special measure on the measured signal frequency and direct use of decimal numbers to display the measurement value of electronic measuring instruments, computers, audio, video, communication equipment and other areas of scientific research and production of indispensabl

正在翻译，请等待...