成绩分析统计
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Performance analysis and statistics
以上为机器翻译结果，长、整句建议使用 人工翻译 。
在辅导结束后对实验组、对照组和控制组的前后测成绩分别进行统计分析，并在三个月后进行了追踪调查。
Then after the end of the guidance, statistical analysis of the three groups' former scores and subsequent scores is taken. After three months and a half, a tracking survey conducted was done.
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