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Lines of curvature and umbilical points for implicit surfaces 期刊论文
COMPUTER AIDED GEOMETRIC DESIGN, 2007, 卷号: 24, 期号: 7, 页码: 395-409
作者:  Che, Wujun;  Paul, Jean-Claude;  Zhang, Xiaopeng
收藏  |  浏览/下载:135/0  |  提交时间:2015/11/08
Curvature  Torsion  Gaussian Curvature  Mean Curvature  Implicit Surface  Line Of Curvature  Umbilical Point  
Growth and structure development of semi-natural larch-spruce-fir (Larix olgensis-Picea jezoensis-Abies nephrolepis) forests in northeast China: 12-year results after thinning 期刊论文
FOREST ECOLOGY AND MANAGEMENT, 2007, 卷号: 240, 期号: 1-3, 页码: 165-177
作者:  Lei, Xiangdong;  Lu, Yuanchang;  Peng, Changhui;  Zhang, Xiaopeng;  Chang, Jie;  Hong, Lingxia
收藏  |  浏览/下载:100/0  |  提交时间:2015/11/08
Thinning  Semi-natural Larch Plantation  Growth  Stand Structure  Stand Development