期中考试的成绩占总成绩的百分之二十的翻译：Mid-term exam scores account for a total score of 20% 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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Mid-term exam scores account for a total score of 20%

The midterm examination result occupies the overall result 2% ten

Mid-term examination of the total score of 20 %

Mid-term exam scores account for a total score of 20%