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[期刊论文] 作者:, 来源:Beijing Review 年份:2018
As of December 29, the last trading day in 2017, the Chinese yuan’s onshore exchange rate stood at 6.5120...
[期刊论文] 作者:Li Lin,Duo-Yi Wu,Ping He,Quan-Ni Li,Long-He Li,Jian-Nan Chen,Huan Niu,Yi-Peng Ding, 来源:亚太热带医药杂志(英文版) 年份:2018
Objective: To investigate the risk factors of chronic obstructive pulmonary disease (COPD) in Li and...
[期刊论文] 作者:, 来源:意林绘英语 年份:2018
He is Wang Yuan, the member of TFOBOYS, who has the sens...
[期刊论文] 作者:by Li Zhuoxi, 来源:China Pictorial 年份:2018
At age 74, Yuan Xikun has been hailed as an “art wizard” after creating masterpieces in oil painting,...
[期刊论文] 作者:Van-Dau Quach(Wendou Guo), 来源:Journal of Literature and Art Studies 年份:2018
Simple Remarks of The True Story of Ah Q and Chi Pheo...
[期刊论文] 作者:黄梦莹,张晓滨, 来源:西安工程大学学报 年份:2018
针对卡方统计量(CHI)忽略低频词对文本分类的影响以及信息增益(IG)只考虑对整体的贡献,忽略对局部影响的问题,通过分析CHI和IG特征选择算法,提出融合CHI和IG,适用于情感文本...
[期刊论文] 作者:邱宁佳,周稳,王鹏,陶跃, 来源:计算机工程与应用 年份:2018
针对传统CHI算法忽略特征词的词频易导致重要特征词被漏选的问题,结合特征选择时Filter类算法速度快、Wrapper类算法准确率高的特点,提出一种将改进CHI(TDF-CHI)算法与随机森...
[期刊论文] 作者:王振,邱晓晖, 来源:计算机技术与发展 年份:2018
卡方统计量(CHI-square statistic,CHI)和互信息(mutual information,MI)是特征选择...
[期刊论文] 作者:Li Jing,Zheng Chunquan,Lin Hai, 来源:中医杂志(英文版) 年份:2018
OBJECTIVE:To investigate the effectiveness and safety of Zhu-yuan decoction (ZYD) in patients after functional...
[期刊论文] 作者:By staff reporter DANG XIAOFEI, 来源:CHINA TODAY 年份:2018
TAI chi is a unique Chinese cultural sym- bol, often portrayed on-screen as a supreme form of self-defense...
Li
[期刊论文] 作者:李莎, 来源:校园英语·月末 年份:2018
【Abstract】This paper present a review of the supply network management in connection to Li...
[期刊论文] 作者:周云成, 许童羽, 邓寒冰,, 来源:江苏农业科学 年份:2018
拟提出1种结合朴素贝叶斯(naiveBayes,简称NB)和χ2(Chi-square,简称CHI)特征词选取的农业文本分类方法,并用Pyth...
[期刊论文] 作者:, 来源:中国-东盟博览(旅游版) 年份:2018
Airlines is to launch a direct air route between Wuhan, capital of central China’s Hubei Province, and Ho Chi...
[会议论文] 作者:HuijieSong;ShaowuDong;MengJiang;YongnanRao;HaiboYuan;HongZhang;, 来源:第九届中国卫星导航学术年会 年份:2018
  An improved chi-squared test method used to detect frequency abnormity of atomic clock is presented.This...
[期刊论文] 作者:Gaofeng Zhang, 来源:教育理论与管理杂志(英文) 年份:2018
Tai Chi health...
[期刊论文] 作者:Liu Ting, 来源:中国与非洲(英文版) 年份:2018
When Chinese Premier Li Keqiang spoke the words Hello, Prime Minister Borissov in Chi-nese into a small...
[期刊论文] 作者:, 来源:中国东盟报道 年份:2018
Chinese Premier Li Keqiang met with Indonesia’s Presidential Envoy and Coordinating Minister for Maritime...Li noted that China and Indonesia sha...
[期刊论文] 作者:Yaxin Hao,Fangning Yang,Didi Luo,Jianhua Tian,Zhongqiang Shan, 来源:能源化学 年份:2018
The Li-rich layered oxides show a higher discharge capacity over 250 mAh/g and have been developed into...a promising positive material for lithium ion batteries.A rare earth metal oxyfluoride YOF-coated Li...[Li0.2Mn0.54Ni0.13Co0.13]O2 composites have been sy...
[期刊论文] 作者:Junwei Lang,Xu Zhang,Bao Liu,Rutao Wang,Jiangtao Chen,Xingbin Yan, 来源:能源化学 年份:2018
Lithium-ion hybrid supercapacitors (LIHSs),also called Li-ion capacitors,are electrochemical energy storage...devices that combining the advantages of high power density of supercapacitor and high energy density of Li-ion...
[期刊论文] 作者:石磊,巴阳,陶永才,卫琳,, 来源:小型微型计算机系统 年份:2018
文本分类是一种有效组织和管理文本信息的数据挖掘方法.其中,特征选择是文本分类过程中最重要的环节之一.本文针对传统CHI特征选择算法忽略高频特征词和放大外围特征词权重的...
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