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  • 颁布单位:[the University of Pittsburgh] |  颁布时间:2017 |  实施时间:2017 |  学科分类:[Preservice, Elementary, Science, TeachersElementary, Science, Lesson, PlanningPreservice, Teacher, Planning, SciencePreservice, Teacher, Science, EducationLearning, Cycle, Elementary, ScienceLearning, Goals, Elementary, Science]
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