测量频率的方法有多种,其中电子计数器测量频率具有精度高、使用方便、测量迅速，以及便于实现测量过程自动化等优点，是频率测量的重要手段之一。-Measuring the frequency of means, including electronic counter to measure frequencies with high precision, easy to use, fast measurement and easy to realize the advantages of automated measurement process is an important means of frequency measurement.