The experimental design is an important branch of mathematical statistics. 试验设计是数理统计学的一个重要的分支。
The experiment design and method of loose blasting funnels are introduced in this paper, and an analysis of the test results is carried out. 介绍了爆破漏斗的实验设计和实验方法，并对实验结果进行了分析。
The name of this type of study design is a mouthful, but basically boils down to a totally unbiased study. 该的类型实验设计有一个适当的明名，但基本上是完全无偏倚实验研究。
