The process and characteristics of urban expansion are analyzed using fractal dimension and compactness based spatial morphologic measurement coupled with land use change survey.

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。

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On the base of combustion dynamical model of SHS process, the characteristics of combustion wave and its change were analyzed by numerical calculation and computer simulation.

本文在建立了自蔓延高温合成过程燃烧动力学模型的基础上，用数值计算和计算机模拟方法，对燃烧波特征及其变化规律进行分析模拟。

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To solve the process change in rapid proliferative manufacturing and according to the characteristics of military enterprises, the proliferative process adjustment model was put forward.

针对快速扩散制造系统中的工艺更改问题，结合军工制造企业的特点，提出了扩散工艺调整模型。

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