To get around this conundrum, the researchers used a repetitive measurement, preparing the system and then measuring its waveform millions of times.
为了解决这个难题，研究人员采用重复测量，准备好系统，然后数百万次测量其波形。
The statistical methods used are general statistical description (such as mean and standard deviation), repetitive measurement deviation analysis, clustering analysis and multiple linear regression.
所用到的统计学方法有一般的统计描述(如均数与标准差)，以及重复测量方差分析，聚类分析，多重线形回归等。
DESIGN: Randomized control and repetitive observed measurement.
设计：随机对照，重复观察测量。
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