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Two New Fossil Lacewing Species from the Middle Jurassic of Inner Mongolia, China (Neuroptera: Gramm
[期刊论文] 作者:SHI Chaofan YANG Qiang REN Don,
来源:地质学报:英文版 年份:2011
草蜻蛉的二新种从内部蒙古的 Jiulongshan 形成(中间的侏罗记) 被描述并且说明,中国:Leptolingia calonervis sp。nov。并且 Litholingia ptesa sp。nov。(Grammolingiidae )...
Two New Fossil Lacewing Species from the Middle Jurassic of Inner Mongolia, China (Neuroptera: Gramm
[期刊论文] 作者:SHI Chaofan,YANG Qiang,REN Don,
来源:黑龙江科技学院学报 年份:2011
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...
A clustering-based flexible weighting method in AdaBoost and its application to transaction fraud de
[期刊论文] 作者:Chaofan YANG,Guanjun LIU,Chungang YAN,Changjun JIANG,
来源:中国科学:信息科学(英文版) 年份:2021
AdaBoost is a famous ensemble learning method and has achieved successful applications in many fields.The existing studies illustrate that AdaBoost easily suffers from noisy points,resulting in a decline of classification performance.The ma......
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