In view of the worse indoor air quality in heating classroom, we suggest to introduce positive air exchangefacilities with function of recycling afterheat .
针对目前采暖教室室内空气质量比较差的状况，建议采用有余热回收功能的主动换气设施。
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Resource Description Framework (RDF) is a modeling system with some facilities for addressing just such metadata exchange.
Under its terms, the UAE passed a national law banning the construction of enrichment and reprocessing facilities in exchange for access to a reliable source of nuclear fuel.