In the middle is a sound level meter.
在中东是一个声级计。
The study was undertaken using a sound level meter operated by a passenger in each car tested.
研究用这样的方式进行：每辆接受测试的汽车的乘客开启声音强度测试仪。
Conclusion Recording sound level meter can be well used to measure and assess noise exposure in complicate working environment.
结论个体噪声暴露测量可以较好地解决现场复杂情况下的噪声暴露评价问题。
Objective To compare the virtues and disadvantages between the measure results using individual dosimeter and sound level meter respectively.
目的比较个体计量仪与声级计评价挡车工噪声暴露的异同。
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。
Compared with the original sound level meter, the new measuring system has the same accuracy and was much convenient in signal measuring and data processing.
结果表明，在测量精度不变的前提下，新测量系统在测量和数据处理方面明显优于原声级计。
Often a hand held integrating sound level meter such as the Model 30 would be mounted on a tripod at a boundary position and, for example, a 15 minute measurement made.
通常，一个手持集成示范等30人是在边界上的三脚架安装位置和声级计，例如，一个15分钟的测量制成。
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；
Sound-level meter by its simple, convenient, the cost is low, the precision higher a series of merits, become one of aircraft noise measurement aspect main metering equipment.
声级计以其简单，方便，成本低，精度高等一系列优点，成为航空器噪音测量方面主要的测量仪器之一。
Jack of Tools includes a compass, virtual level, your Earthly coordinates, your altitude, your speed and heading (including average and maximum speed markers), base distance, and a sound meter.
杰克的工具包括一个指南针，虚职，您的地支坐标，您的高度，你的速度和航向(包括平均及最高速度标记)，基地距离，以及健全的米。
Jack of Tools includes a compass, virtual level, your Earthly coordinates, your altitude, your speed and heading (including average and maximum speed markers), base distance, and a sound meter.
杰克的工具包括一个指南针，虚职，您的地支坐标，您的高度，你的速度和航向(包括平均及最高速度标记)，基地距离，以及健全的米。
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