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[期刊论文] 作者:QI Weifeng,FANG Chuanglin,SONG, 来源:中国地理科学(英文版) 年份:2008
Urban agglomeration (UA) compactness means spatial concentration degree of physical entities, such as cities (towns), industries, resources, funds, traffic and...
[期刊论文] 作者:QI Weifeng,FANG Chuanglin,SONG, 来源:中国地理科学:英文版 年份:2008
城市的凝块(UA ) 紧密意味着物理实体的空间集中度,例如城市(镇) ,工业,资源,资金,交通和技术,其集中被形成根据,指定了经济、工艺的驴...
[期刊论文] 作者:Wenbao Qi,Weifeng Shi,Wei Li,Lihong Huang,Huanan Li,Ying Wu,Jinghua Yan, 来源:蛋白质与细胞 年份:2014
Dear Editor,Since the first human infection of influenza A (H7N9) virus in Shanghai in February 2013 (Gao et al.,2013),the virus has rapidly spread out to 14 pr...
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