symmetry

In making researches on uniform bands and some uniform properties of corresponding semilattices,we advance a conception of strong orthodox semigroups.

本文在研究匀称带及其对应半格的匀称性中 ,提出了强纯整半群的概念。

,evenness and aesthetic feeling exponent,are proposed to better express the fabric draping,the former for drape property and the latter for drape shape.

在分析和优化前人研究成果基础上,提出可以较好反映织物悬垂性能的2个综合指标——匀称度和美感指数,分别表征织物悬垂性能和悬垂形态。