performance system短语⁷⁸³⁵³ 基本例句 执行系统 The research object of this article is about a kind of planar micro- parallel robots carving performance system. 本文以一类平面微小并联机器人书绘系统作为研究对象。 dictall The forth part shows the problem and its reason of the existing performance system. 第四部分分析铁道部公务员考核工作的现状，找出问题及形成原因； fabiao