System Acceptance Letter是什么意思

用法例句

This article, basing on the gradation comparison method to determine the acceptance index of small subsample for density of bullet and rocket, takes the uniform acceptance region method as the foundation and proposes to construct the acceptance function of the density and its evaluation criteria.

在极差比法确定弹箭密集度小子样验收指标的基础上,以等接受域法为基础,提出构造密集度验收函数及其评定准则。