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  • New health education were carried on in experiment group and traditional health education in control group.

    对实验组实行新的健康教育，给对照组实行传统的健康教育。

    youdao

  • New health education were carried on in experiment group and traditional health education in control group.

    对实验组实行新的健康教育，给对照组实行传统的健康教育。

    youdao

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