1) lemniscate coordinates
双纽线坐标
2) rectangular hyperbolic coordinates
直角双曲线坐标
3) equilateral hyperbolic coordinates
等边双曲线坐标
4) lemniscate
[英][lem'niskit] [美][lɛm'nɪskɪt]
双纽线
1.
The Arc Length of the Lemniscate |w~2+c|=1;
双纽线｜w~2十c｜=1的弧长
2.
Based on the theoretical analysies, lemniscate is used to fit the distribution of sustaining pressure in floor strata under the crossway of coal body and goaf.
通过理论分析，用双纽线拟合煤体与采空区交界处下方底板岩层内支承压力分布，分析巷道受采动影响的程度，作为巷道设计的依
3.
Let s(c) be the arc length of the lemniscate |w 2+c|=1,c∈[0,+∞).
设ｓ（ｃ）为双纽线｜ｗ２＋ｃ｜＝１的弧长，ｃ∈［０，＋∞）。
5) Double folium
双纽线
1.
We give a general form of cubic system which possesses a class of double folium solution ①,and provide a necessary and sufficient condition for the existence of separatrix cycle,which is formed by the double folium ①in general cubic system.
给出了具有一类双纽线解①的三次系统的一般形状，提供了一般三次系统存在以双纽线①为分界线环的充要条件。
6) Lemniscate curve
双纽曲线
1.
That is , taking advantage of the similarity in the overall shape between Lemniscate curve and small central road, applying the whole Lemniscate curve to small central road, which is studied in the paper.
针对这些局限性,作者提出了整体性小环道的设想,即充分利用双纽曲线在总体形态上与小环道相似的特点,把双纽曲线整体应用为小环道平面线型,并对此进行研究。
2.
According to the analysis on geometry characteristics of the Lemniscate curve and road performance,the application of Lemniscate curve in designing the integral small circular road of interchange is proposed and the feasibility of the usage of the Lemniscate curve is also testified.
通过对双纽曲线几何特征和路用性能的分析,提出把双纽曲线作为整体式立交小环道线型,论证了双纽曲线整体式小环道的可行性。
补充资料：直角
见“角④”(1205页)。
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