The "modifiable areal unit" is an unavoidable problem in the spatial statistical analysis of areal data.
“可塑性面积单元问题”是对面积数据进行空间统计分析时不可回避的问题。
2
In economic, social and urban studies, areal units under analysis frequently differ from areal units over which data are compiled.
在经济、社会和城市研究中，我们要研究的区域往往没有数据，而这些数据需要由已知区域推求。
3
Point interpolation algorithm is of important significance in analysis of rain-gauge station distribution, calculation of areal precipitation, and planning for rain-gauge net.