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[期刊论文] 作者:Yixuan Song Qingsong Yao Chao,
来源:老年心脏病学杂志:英文版 年份:2007
Tumors of the cardiac conduction system (CCS) have rarely been reported. The CCS from 198 cardiac-related deaths (GroupⅠ),and 838 deaths from non-cardiovascula...
[期刊论文] 作者:Yixuan Song,Qingsong Yao,Chao,
来源:黑龙江科技学院学报 年份:2007
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[会议论文] 作者:Qingfeng Liu,Qingsong Yao,Guoqing Zhao,
来源:吉林大学,吉林省数量经济学会 年份:2017
This paper considers the problem of model selection and model averaging for regression models which can be nonlinear in their parameters and variables.We propose a new information criterion called non...
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