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[期刊论文] 作者：YANG Chengfeng,ZHANG Jingzhou,
来源：城市道桥与防洪 年份：2012
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
Evolution of Jobs-housing Spatial Relationship in Beijing Metropolitan Area： A Job Accessibility Per
[期刊论文] 作者：HAN Huiran,YANG Chengfeng,WANG,
来源：中国地理科学：英文版 年份：2015
与城市的扩大并且经济重构，工作住房关系在城市的空间结构上在研究成为了一个重要问题。这份报纸雇用了一个工作可接近性模特儿，它是一台评估仪器从一个工作可接近性观点在北京......
Evolution of Jobs-housing Spatial Relationship in Beijing Metropolitan Area:A Job Accessibility Pers
[期刊论文] 作者：HAN Huiran,YANG Chengfeng,WANG Enru,SONG Jinping,ZHANG Meng,,
来源：Chinese Geographical Science 年份：2015
With the urban expansion and economic restructuring, the jobs-housing relationship has become an important issue in studies on urban spatial structure. This paper employed a job accessibility model, w...
[期刊论文] 作者：Xingang Chen,Xiaoqin Yang,Chengfeng Lei,Fujun Qin,Xiulian Sun,Jia Hu,
来源：中国病毒学 年份：2021
Autographa californica multiple nucleopolyhedrovirus (AcMNPV) orf13 (ac13) is a conserved gene in all sequenced alphabaculoviruses.However,its function in the viral life cycle remains unknown.In this study,we found that ac13 was a late gene......
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