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| 1 | B-spline surface fitting to mesh vertices显示文摘B CAD B B,,, | Yang LU Junhai YONG Kanle SHI Hejin GU Ping ZHENG Jean-Claude PAUL | 2017 | Science China(Information Sciences)2017，60，7： | 2 |
| 2 | Second harmonic generation and self-frequency doubling performance in Nd:GdCa4O(BO3)3 crystal显示文摘 | Lu Junhua Li Guangming Liu Junhai Zhang Shujun Chen Huanchu Jiang Minhua Shao Zongshu | 1999 | Optics Communications1999，168，56： | 1 |
| 3 | SWOT Analysis on the Development of Modern Ecological Land-scape Agriculture:A Case Study of Baiquan Ecological Park显示文摘With Baiquan Ecological Park in Yi County as the case,the basic conditions are analyzed from the aspects of area,population,natural resources,socio-economic and industrial development.SWOT analysis of the development of modern ecological landscape agriculture is carried out.It is pointed out that for developing modern ecological landscape agriculture in Western Qing Tombs region,it is necessary to give priority to protecting the ecological environment,highlight the characteristics and style of modern agriculture,consider the existing landscape elements,and comprehensively develop the integrated pattern of ecology,landscape and modern agriculture. | Haoyue XU Donghai GUO Junhai LU Xiting NIU | 2016 | Asian Agricultural Research2016，8，8： | 1 |
| 4 | How to Apply Data Mining Technology to the Study of Agricultural Information Data Resources?显示文摘This paper makes a brief description of the definition and methods of data mining.It describes the characteristics of agricultural data(value delivery,specialization,spatio-temporal bidimensionality)and the status of application of data mining technology in agriculture. | Xindong WANG Haoyue XU Qian GAO Haiyan CAI Junhai LU Min LI | 2013 | Asian Agricultural Research2013，5，11： | 0 |
| 5 | A B-spline curve extension algorithm显示文摘B-spline curve extension is an important operation in computer aided design systems. In this paper,we present a new extension algorithm for B-spline curves. The algorithm uses curve unclamping to generate a uniform B-spline curve segment from the original curve and gradually extends the segment to pass through every target point. Algorithms of uniform B-spline curves are used such that our algorithm has a low time cost and can easily handle arbitrary-order derivative constraints at the target points. Generalization for non-uniform rational B-spline curve extension is also discussed, and examples show the efficiency of our method. | Yang LU Kanle SHI Junhai YONG Hejin GU Haichuan SONG | 2016 | Science China(Information Sciences)2016，59，3： | 0 |
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