variance reduction造句

例句与造句

1. High variance reduction and processing time saving due to systematic descriptive sampling could be expected
   用系统描述性抽样代替蒙特卡罗的随即抽样过程，从而使得计算效率与降低方差都得到了明显地改善。
2. It's difficult to find variance reduction in a sentence. 用variance reduction造句挺难的