利用河南省行政区界线图，借助GIS软件支持，分别计算了河南省地级市行政区边界的分维、紧凑度和放射状指数。
By using the map of city boundary of Henan province, the fractal dimension, the compact ratio and the radial index of the city boundary shapes are calculated by GIS soft.
选用分维数和紧凑度作为城市形态指数，与城市土地利用变化相结合研究城市扩展的过程和特征。
The process and characteristics of urban expansion are analyzed using fractal dimension and compactness based spatial morphologic measurement coupled with land use change survey.
随着芯片集成度及整机安装紧凑性的提高，计算机发热密度近年来一直呈指数级增长。
With the increase of chip integration level and packaging density, the heat density generated in computer keeps increasing exponentially in recent years.
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