The scope of its application expands from the above fields to automatic control, computer, acoustics and optical measurement, digital track and range measuring system as well as failure detection of digital network system.

• 其应用范围从上述领域扩展到自动控制、计算机、声学和光学测量、数字式跟踪和测距系统以及数字网络系统的故障检测等方面。