环境噪声自动监测 automatic environmental noise monitoring 等效连续A声级 equivalent continuous A-weighted sound pressure level 昼间等效声级 day-time equivalent sound level ..
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Technical specifications for automatic environmental noise monitoring...
环境噪声自动监测技术规范。
How to solve automatic calibration in environmental noise monitoring system is a big problem that has disturbed and postponed our work in this area for many years.
如何解决环境噪声监测系统的自动校准问题，是困扰现阶段我国环境噪声自动监测工作走向实用化的难题。
The automatic monitoring system of traffic noise and its corresponding utilization in environmental protection public.
该文探讨了道路交通噪声自动监测系统的组成以及在相应的环保宣传方面的应用。
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