Another new MV benchmarking lower bound is established, it can be acquired from the process data and diagonal interactor matrix. 建立了另一最小方差基准下界，此新下界可通过过程数据和对角关联矩阵得到。
This paper introduces construction technology of art terrazzo and measures to improve quality of terrazzo floor by process control. 介绍美术水磨石地面施工技术，及通过过程控制提高水磨石地面质量的措施。
