The variation in the number of galaxies is a measure of the lumpiness of the galaxy distribution on a scale, in this case, of 40 million light-years. 由于星系有聚集现象,每个球所包含的星系数量会有所变异,这个变异量就代表星系分布起伏在该尺度的强度。
In the second study, the results of testing the measurement model of the Health Behavior Scale indicated good reliability and accounted for a large amount of variance. 第二个研究是做健康行为量表整个量测模式的检定,结果显示本量表具有良好的信度,且能解释大的变异量。