rough part

Analysis Process for Bearing Outer Ring ′ s Rough Part on Rolling Groove

轴承外圈锻坯辗沟工艺改进分析

This part firstly made a rough and comprehensive briefing on database protection patterns from concepts and basic characteristics of the database.

该部分从数据库的概念、基本特征引入，对目前学界有关数据库的保护模式作了一个粗略而又全面的介绍。

It was quite a rough part of our town.

这是我们城里犯罪率很高的地区。

Attribute reduction a kernel part of rough set theory.

属性约简是粗糙集理论的核心内容之一.

It was a rough part, all hanging stone , and heather , and bIt'scroys of birch wood.

这一带地势险恶, 尽是些悬崖 、 灌木和细长的桦树.

They live in a rough part of town.

他们居住在一个社会秩序混乱的城区。