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| ATMOSPHERIC MASS DENSITY CALIBRATION AND ITS APPLICATION IN LEO OBJECT ORBIT PREDICTION USING ANGULAR DATA FROM A SMALL-TELESCOPE ARRAY 其他
2019-01-01
作者: Chen, Junyu; Sang, Jizhang; Li, Zhenwei; Liu, Chengzhi
  收藏 | 浏览/下载：13/0 | 提交时间：2019/12/05 |
| Research and Application of the Operational Maintenance Standard System of Integrated DCB 其他
2017-01-01
作者: Li Jinbin; Xia Tian; Chen Jun; Zhang Ji; Wang Chengzhi
收藏 | 浏览/下载：4/0 | 提交时间：2019/12/05
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| Research and Application of the Operational Maintenance Standard System of Integrated DCB 其他
2017-01-01
作者: Li Jinbin; Xia Tian; Chen Jun; Zhang Ji; Wang Chengzhi
收藏 | 浏览/下载：4/0 | 提交时间：2019/12/05
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| Periodic orbits in 3-dimensional systems and application to a perturbed Volterra system 其他
2016-01-01
Li, Chengzhi; Ma, Zhien; Zhou, Yicang
收藏 | 浏览/下载：5/0 | 提交时间：2017/12/03
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| Limit cycles for 3-monomial differential equations 其他
2015-01-01
Gasull, Armengol; Li, Chengzhi; Torregrosa, Joan
收藏 | 浏览/下载：4/0 | 提交时间：2017/12/03
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| CODIMENSION 3 B-T BIFURCATIONS IN AN EPIDEMIC MODEL WITH A NONLINEAR INCIDENCE 其他
2015-01-01
Li, Chengzhi; Li, Jianquan; Ma, Zhien
收藏 | 浏览/下载：4/0 | 提交时间：2015/11/13
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| Slow divergence integral and its application to classical Lienard equations of degree 5 其他
2014-01-01
Li, Chengzhi; Lu, Kening
收藏 | 浏览/下载：3/0 | 提交时间：2015/11/10
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| Canard phenomenon for an SIS epidemic model with nonlinear incidence 其他
2014-01-01
Li, Chengzhi; Li, Jianquan; Ma, Zhien; Zhu, Huanping
收藏 | 浏览/下载：4/0 | 提交时间：2015/11/10
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| Canard cycles for predator-prey systems with Holling types of functional response 其他
2013-01-01
Li, Chengzhi; Zhu, Huaiping
收藏 | 浏览/下载：6/0 | 提交时间：2015/11/10
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| Uniqueness of limit cycles for Lienard differential equations of degree four 其他
2012-01-01
Li, Chengzhi; Llibre, Jaume
收藏 | 浏览/下载：5/0 | 提交时间：2015/11/10
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