为实现飞机结构的疲劳裂纹动态监控，研制了PTAE-4A机载声发射监测系统，并作了随机机载应用研究。
PTAE 4A AE monitor system was developed for monitoring the fatigue crack propagation on aircraft structure. And a study on its practical application was carried out.
介绍了泥浆液位动态监测系统的功能、结构及意义，对监控软件的设计和实现方法进行了阐述。
This paper introduces the structure, function and significance of the realtime monitoring system of mud height in pit, which includes design and realizing method of measurment and control software.
介绍了泥浆液位动态监测系统的功能、结构及意义，对监控软件的设计和实现方法进行了阐述。
This paper introduces the structure, function and significance of the realtime monitoring system of mud height in pit, which includes design and realizing method of measurment and control software.
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