这个比率要想有意义，必须用可识别的成绩来表示，因为没有“能力的一般质量”。
The ratio, to be meaningful, must be stated for an identifiable accomplishment, because there is no "general quality of competence."
击球率，打击率：击球员击球成绩的比率，用击球所得的总分数除以击中球的次数。
Bat ting average: a measure of a batter's performance obtained by dividing the total of base hits by the number of times at bat.
据大学理事会说，在2006 - 07学年全国高考平均成绩之间的考生的比率为3.33。
According to the College Board, the national mean GPA among SAT Reasoning Test takers during the 2006-07 academic year was 3.33.
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