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。
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。
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