deviation ratio造句

This paper uses methods of mathematical statistics to quantitatively measure the concentration and dispersion degree of spatial pattern and evaluate the convenience degree of spatial connection of wuhan in deviation ratio , compactness ratio , dispersion ratio , radial shape index and transportation distance
摘要运用数理统计方法，从偏离度、紧凑度、离散度、放射状指数及出行距离等方面，对武汉市建成区几何形状的集中、分散程度和空间联系的便捷程度进行定量化测度评价。
It's difficult to find deviation ratio in a sentence. 用deviation ratio造句挺难的