Some Properties of Rough Invariant Subgroups and Rough Quotient Groups;
粗糙不变子群的若干性质与粗糙商群
Rough subgroups,rough invariant subgroups and rough quotient groups are introduced based on the concept of rough groups.
运用粗糙集理论的思想,在已有的粗糙群的概念的基础上,更深入地探讨了粗糙集理论在代数系统——群上的应用,给出粗糙子群、粗糙陪集、粗糙不变子群和粗糙商群的概念,并讨论了一些新的性质。
Roughness of the skin can be caused by bad diet
饮食不好可能引起皮肤粗糙
Roughness of the skin can is cause by bad diet.
饮食不好可能引起皮肤粗糙。
The sea air coarsened her skin.
海上的空气使她的皮肤粗糙了.
(of hands or fingers) twisted,with swollen joints and rough skin;deformed
（指手或手指）关节扭曲肿胀及皮肤粗糙的, 变形的
No matter how dry your skin gets, you will never turn into an alligator or any other type of reptile.
不论皮肤多么干燥，你永远不会变成美洲鳄或任何其他一种皮肤粗糙的爬行动物。
any of numerous compressed deep-bodied tropical fishes with sandpapery skin and erectile spines in the first dorsal fin.
多种身体扁平细长的热带鱼，皮肤粗糙如砂纸，前部的背鳍可直立如硬刺。
Common population, especially for those with coarse and wrinkled skin and those with overworking pressure and pressed spirits.
适宜人群一般人都可以吃，特别适用于皮肤粗糙、裂起皱，工作和精神压力大的人群。
Rough material irritates the skin.
粗糙的材料刺激皮肤。
It improves rough and wrinkled skin, reducing the appearance of fine lines.
它能改善粗糙和起皱的皮肤，减少幼纹。
skin with a tangible roughness.
一摸即能感觉到皮肤的粗糙。
a tangible roughness of the skin.
一摸即能感觉到皮肤的粗糙
The monkey' s skin has a rough feel.
猴子的皮肤有一种粗糙感。
A naturally inspired skincare line formulated with Calendula extracts topurify and hydratesensitive, rough skin.
净化和补水，并且是对敏感、粗糙的皮肤。
It is suitable for various skin types, especially suitable for dry skin.
适合各种肤质使用，尤其适合粗糙有色素的皮肤。
His grip was firm and the skin of his hand felt like sandpaper.
他的手握力很大，手的皮肤象砂纸一样粗糙。
His skin was rough and weather beaten from years of working the land under harsh conditions.
长年在环境恶劣的土地上工作, 他的皮肤因饱经风霜而变得很粗糙。
A sore roughening or splitting of the skin, caused especially by cold or exposure.
干裂皮肤因寒冷或暴露而产生的皲裂或粗糙引起的疼痛
an uncomfortable shirt made of coarse animal hair; worn next to the skin as a penance.
用粗糙的动物毛发做的很不舒服的衬衣；紧贴着皮肤穿表示忏悔。
