Electric hoist test platform, sound-level meter, varnish film thickness gauge, altazimuth, level;
电动葫芦试验台、声级计、漆膜测厚仪、经纬仪、水准仪；
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。
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。
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