coefficient of region

例句：

1. 1. The coefficient ofregional variation is used to measure the degreeof variation in a population.
   区域变异系数用于衡量人口中变异的程度。
2. 2. The coefficient ofregional variation can be used to predict futuretrends in the population.
   区域变异系数可以用来预测人口的未来趋势。
3. 3. The coefficient of regional variationis calculated by taking the average of thesquared differences between each pair of adjacentpoints.
   区域变异系数是通过计算每对相邻点之间平方差的平均数来计算的。