1) logarithmic spiral
对数螺线
1.
Calculation and Analysis of the Contact Strength of Logarithmic Spiral Profile Connection;
对数螺线型面联接接触强度分析与计算
2.
Approximating logarithmic spiral segments by polynomial and C-Bézier
对数螺线段的多项式逼近与C-Bézier逼近
3.
However, logarithmic spiral can be used to substitute for the Archimedes curve to solve such problems and guarantee the stability of cutter machinability.
若改用对数螺线作为铣刀铲背曲线,则克服了阿基米德螺线的不足。
3) logistic spiral
对数螺线
1.
Calculation of earth pressure of active retaining wall with logistic spiral sliding surface;
用对数螺线滑动面计算挡土墙主动土压力
4) logarithm spiral angle
对数螺线角
5) Logarithmic spiral
对数螺旋线
1.
Gearing theory and tooth area’s formation of logarithmic spiral bevel gear(Ⅰ);
对数螺旋线齿锥齿轮齿面的形成及传动原理(Ⅰ)
2.
Logarithmic spiral arch dam has three adjustble factors, so that it can easily meet requirements of stress and sta-bility, and can also meet that of Yanjinqiap dam under the conditions of that the dam cushion and abutment havebeen excavated and built, therefore, the scheme using logarithmic spiral shape was adopted in the design because ofits full advantage.
对数螺旋线拱坝，因其有三个可调整的因素，更能满足应力和稳定的要求，尤其更能满足盐津桥水库大坝已浇筑的垫座和已开挖的坝肩，充分显示其优越性而被采用。
3.
On this basis,it also discusses the efficiency of scraping mud by using the straight line board and the logarithmic spiral board on thickener.
分析了浓缩机(或刮泥机)刮泥板的角度与刮泥效率的关系,并以此为基础对浓缩机直线刮泥板与对数螺旋线刮泥板的刮泥效率进行了探讨,对于浓缩机刮泥板的设计有实际意义。
6) logarithmic spiral line
对数螺旋线
1.
Logarithmic spiral line has been used more and more in practice,this paper give a general introduction of logarithmic spiral line.
介绍了对数螺旋线的相关知识,及其在自然界中尤其是在水利工程中的运用。
补充资料：对数螺线
对数螺线
logaridunic spiral
对数螺线【】嗯a对由丽c喇耐;”r即。中M，，ee灿enop幼‘] 一类平面超越曲线(u妞mce川ental~)，在极坐标中，它的方程具有下列形式: P=a职，a>0. M， 今一如果a>1，则当势一+的时，对数螺线沿反时针方向伸张，而当甲~一的时，对数螺线沿顺时针方向卷屈并趋向于它的渐近点O(见图).如果a<1，则伸卷性状相反.由对数螺线上任意一点的切线与该点的位置向量所形成的角仅与参数a有关.两点M.(p，，切，)和MZ(pZ，毋2)之间的弧长为 卜。2.亚三亘i一。，亚亘亚-. r 2 inar’ina曲率半径为/=丫丁下亩瓜.自然方程(胆t刊旧l闪Ua-加n)为s=k:，其中k一1/ina.在平面的线性等距同构，相似变换和反演下，对数螺线变为对数螺线，对数螺线与所谓伪螺线有关(见螺线(sPinlls)).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条