In this paper, the liquid level measurement of sealed air-condition compressor is introduced and an ultrasonic testing system based on virtual instrument is developed.
文章介绍了对封闭式空调压缩机的液位测量，研发了基于虚拟仪器技术的超声波检测系统。
The state's top-level celadon-glazed dish, a masterpiece of Ge kiln porcelain from the Song Dynasty, was squeezed by a testing instrument due to human error, the museum said in a statement on Sunday.
这件贵为国家一级文物的青釉瓷盘，系宋代哥窑瓷器珍品，在进行分析测试时因工作人员操作仪器失误被挤压受损。
With integration of DDS and computer technology, the tone burst instrument is well designed to meet the new testing standard of the sound level meter.
将DDS技术与单片机以及计算机技术结合，运用到猝发声仪器的设计中，实现了符合新的声级计检测标准的猝发声仪器的开发。
As an important instrument of modern testing and measuring field, it's required that the pulse generator's amplitude. level and rising edge can be widely controllable in the application.
脉冲发生器作为测试领域的一种重要测试工具，在实际的工程应用中对其提出了电平、幅度、上升沿在大范围可控的设计要求。
It is shown by its practical use that this instrument has high level of precision and efficiency in testing.
实际运行表明该系统具有较高的测试精度和测试效率。
It is shown by its practical use that this instrument has high level of precision and efficiency in testing.
实际运行表明该系统具有较高的测试精度和测试效率。
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