non-euclid geometry 非欧几何
Euclid geometry can be regarded as an abstraction of nature. Comparing to Euclid geometry's simpleness, Fractal geometry reflects natural contexture more veritably.
欧几里德几何是对自然的高度抽象，分形几何则更为真实地反映了自然的形式结构。
On the basis of generalizing the fractal theory, Euclid geometry mould and the discentral barrel finishing, L-System and the fractal characteristics of the grinder movement is analyzed.
在概括性地阐述分形理论、欧氏几何造型方法及离心式滚磨光整加工方法的基础上，重点分析了L系统分形造型方法和离心式滚磨加工过程中磨块运动的分形特性。
Under the tutelage of Cosmas, John made such rapid progress that, in the enthusiastic language of his biographer, he soon equalled Diophantus in algebra and Euclid in geometry.
根据监护的科斯马斯，约翰取得如此迅速的进展，在热烈的语言，他的传记作家，他很快等于丢番图代数和欧几里得几何。
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