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北京居民社会焦虑的现状及影响因素Social Anxiety and Its Influencing Factors of Residents in Beijing
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北京郊区设施农业面积变化浅析Research on the Acreage Change of Facility Agriculture in Outskirts of Beijing
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北京市花卉市场木本切花经营与消费现状调查Investigation on the Operation and Consumption of Woody Cut Flowers in Beijing Flower Market
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论孙绰A Study of Sun Chuo
吴蓓蕾, 胡秋银 科研立项经费支持
历史学研究Vol.4 No.4, 全文下载: PDF HTML XML DOI:10.12677/OJHS.2016.44005, October 31 2016
进贤县吴茱萸种植气候适宜性分析Analysis on Climatic Suitability of Evodia rutaecarpa Planting in Jinxian County
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世界生态学Vol.10 No.2, 全文下载: PDF HTML XML DOI:10.12677/IJE.2021.102017, April 9 2021