quantity statistics meaning in Chinese

数量统计

The large quantity statistics data express , the efficiency of motor is not accordant with the data that are marked in the data plate
大量统计数据表明，电机即使在额定状态下运行，效率也与铭牌标出的额定效率不一致。
Secondly , the relativity of the speech signal and that conducted by bone and the relation between the spectrum and timbre were analyzed , so some regulations were discovered . based on correction of spectrum , a method for speech reconstruction was proposed . thirdly , the power constant was obtained by large quantity statistic experiments
文中分析了骨导信号和语音信号的相关性，以及频谱与音色的关系，发现了其中的一些规律，提出基于谱修正的语音重构，并通过大量统计实验，得到骨导信号谱修正的权系数。