teaching-learning efficiency
teaching-learning efficiency
教学效率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Foster research on the development, use, evaluation and re-contextualisation of OER as well as on the opportunities and challenges they present, and their impact on the quality and cost-efficiency of teaching and learning in order to strengthen the evidence base for public investment in OER.
UNESCO: 2012 PARIS OER DECLARATION
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Improve both cost-efficiency and quality of teaching and learning outcomes through greater use of OER.
UNESCO: 2012 PARIS OER DECLARATION