1) cluster analysis
点群分析
1.
Study of geochemical classification of the Salt Lake in the Qaidam Basin applying cluster analysis;
应用点群分析研究柴达木盆地盐湖的地球化学分类
2) extended nearest neighbor analysis(ENNA)
种群点格局分析
3) spatial clustering of Q type
Q型点群分析
1.
Use the method of mathematical geology on spatial clustering of Q type,and the informations of hydrochemistry and isotopic water sample,the division on subsystem of Yanhe spring field in Shanxi Province has been carried out ,and obtained satisfactory effect,and it s proved and used in the productive practice.
应用Q型点群分析这种数学地质方法,运用水化学与同位素水样资料,对山西延河泉域进行了子系统的划分,取得了满意的效果,并在生产实践中得到了证实与应用。
4) An Analysis of the Point,Axis and Cluster Theory
点轴群理论的分析
5) Molecular point group
分子点群
1.
The paper reports a program for showing a systematic procedure of determination of molecular point groups, determining molecular point groups with man-machine interaction, showing character tables of the molecular point groups, and drawing all symmetry elements on three-dimensional molecule structure figures.
本文报导的计算机程序,可显示确定分子点群的系统步骤,通过人机对话辅助确定分子点群,显示点群的特征标表,并可在分子结构立体图上绘出全部对称元
2.
The design and expression of computer three dimensional animation for the molecular point group were studied.
探讨了采用计算机三维动画和多媒体技术描述分子点群的表达方法。
6) Point clouds classification
点群分类
补充资料:点群
见晶体的对称性。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条