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[期刊论文] 作者:Guojin Hou, 来源:美中外语 年份:2004
[期刊论文] 作者:XIA Guojin, 来源:中国稀土信息:英文版 年份:2008
Editor’s note: The article is extracted from original presentation of the author. Ⅰ. Status of rare earth application in steel 1. Change of consumption vo...
[期刊论文] 作者:ZOU GUOJIN,, 来源:China Today 年份:2013
WITH the introduction of value-added tax(VAT),we will pay about RMB400,000 less tax every year.With the money saved,we can employ ten more workers and gener...
[期刊论文] 作者:郭金,GUOJin, 来源:露天采矿技术 年份:2006
[期刊论文] 作者:By ZOU GUOJIN, 来源:CHINA TODAY 年份:2013
W ITH the introduction of value-added tax (VAT), we will pay about RMB 400,000 less tax every year. With the money saved, we can employ ten more workers and generate RMB 5 million more in production v...
[期刊论文] 作者:郭进,GUOJin, 来源:环境科学导刊 年份:2005
[期刊论文] 作者:WANGTong-min,SUYan-qing,GUOJin, 来源:中国有色金属学报(英文版) 年份:2006
[期刊论文] 作者:WUShi-ping,LIUDong-rong,GUOJin, 来源:中国有色金属学报(英文版) 年份:2005
[期刊论文] 作者:GUOJin,MAJun,SHIXuehua, 来源:环境科学与工程前沿 年份:2007
[期刊论文] 作者:PAN Yongjuan,WANG Guojin, 来源:自然科学进展 年份:2004
Constructing a convexity-preserving interpolating curve according to the given planar data points is a problem to be solved in computer aided geometric design (...
[期刊论文] 作者:Guojin Zhu,Le Liu, 来源:中国电子商情·通信市场 年份:2013
  Nowadays,more and more colleges tend to organize online programming examination,which is benefit to improve students practice skills.However,this may bring...
[期刊论文] 作者:XU Huixia,WANG Guojin, 来源:自然科学进展(英文版) 年份:2004
The function upgrade of computer aided design (CAD) system requested that the multiple product of B-spline functions should be represented as a linear combinati...
[期刊论文] 作者:Xu Huixia,Wang Guojin, 来源:自然科学进展(英文版) 年份:2004
It is necessary to compute the derivative and estimate the bound of rational B-spline curves in design system, which has not been studied to date. To improve th...
[期刊论文] 作者:CHEN Dongren,WANG Guojin, 来源:自然科学进展 年份:2004
Developable surface plays an important role in engineering domains are common representation forms in a computer aided geometric function surface up to now. Gen...
[期刊论文] 作者:Zhang Hongxin,WANG Guojin, 来源:自然科学进展 年份:2004
Based on the view of operator, a novel uniform subdivision construction method is proposed for free form curve and surface design. This method can give an appro...
[期刊论文] 作者:CHENG Min,WANG Guojin, 来源:中国科学F辑 年份:2004
NURBS curve is one of the most commonly used tools in CAD systems and geometric modeling for its various specialties, which means that its shape is locally adju...
[期刊论文] 作者:CHEN Dongren,WANG Guojin, 来源:自然科学进展 年份:2004
An algebraic surface can be defined by an implicit polynomial equation F(x,y,z)=0. In this paper, general characterizations of developable algebraic surfaces of...
[期刊论文] 作者:Min Cheng,Guojin Wang, 来源:自然科学进展(英文版) 年份:2004
This paper deals with the approximate merging problem of multiple adjacent Bezier curves with different degrees by a single Bezier curve, which is a frequently...
[期刊论文] 作者:HU Qianqian,WANG Guojin, 来源:中国科学A辑(英文版) 年份:2004
Using algebraic and geometric methods, functional relationships between a point on a conic segment and its corresponding parameter are derived when the conic ma...
[期刊论文] 作者:ZHANG Renjiang,WANG Guojin, 来源:自然科学进展(英文版) 年份:2004
In computer aided geometric design, the degree reduction of the parameter curve is a key technique in data exchange and data compression. The various existing m...
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