埃文斯说，弗吉尼亚大学学生一般学业很出色，该校学生淘汰率非常低。

U.Va. students tend to do well academically, and the university has a high retention rate, Evans said.

这项蛋白质研究就是以削减精英部队候选人训练的淘汰率为目的的更大推动力的一部分。

The protein study is part of a larger push to reduce the attrition rate of candidates training for the elite units.