1) parabolic segment
抛物线段
2) Transitioned vertical curve
分段式三次抛物线
3) parabola
[英][pə'ræbələ] [美][pə'ræbələ]
抛物线
1.
Mathematical model and design methods of parabola well paths.;
抛物线型井眼轨道的数学模型及其设计方法
2.
Parabola Interpolation Based on Parametric Equation;
基于参数方程的抛物线插补方法
3.
Research on the parabola interpolation based on comparing point-by-point interpolation;
逐点比较插补法抛物线插补的研究
4) semiparabolic
半抛物线
1.
Based on analyzing the trait of its apparent viscosity, the fitting interpolation method of two semiparabolic segments was put forward in order to improve the fitting formulae of semisolid apparent viscosity.
在分析半固态金属表观粘度特点的基础上 ,提出了半固态金属表观粘度的两段半抛物线拟合插值法 。
5) parabola method
抛物线法
1.
The application of the parabola method in the equal bidding price;
抛物线法在等报价中的应用
2.
The parabola method was used to solve the model.
该模型以精馏系统 (包括精馏塔塔体、塔顶冷凝器和塔底再沸器 )的年总费用为目标函数 ,采用抛物线法求解 。
3.
Three methods for cable calculation, that is, catenary method, parabola method and finite element method, are introduced in this paper.
介绍了计算斜拉索的 3种方法 :悬链线法、抛物线法和有限元法 ,推导了悬链线法弹性伸长的计算公式 ,推导出了斜拉索精确的计算公式。
6) parabolic die
抛物线模
1.
A three-dimensional kinematically admissible continuous velocity field bas been established for drawing rectangular workplace through a parabolic die.
对抛物线模拔矩形件三维变形问题设定了运动许可速度场:以变上限与曲面积分方法得到上界解析
补充资料:半三次抛物线
半三次抛物线
semi-cubic parabola
beh). 件[补注] 【AI」Law双泊ee,J .D .H,A catakig of sPecial Plane curves .1)〕ver、肥Pnnt,1972 IAZ]Go心51’e ixeira,F.,Tmjt舀des eourbes,一3 C侧sea,卿rint,1971.杜小杨译半三次抛物线[s喇一口“c脚.Ix.;肋几y鱿y6I.叨cICAnn即a60皿1 一种三次平面代数曲线,在氏scartes直角坐标系中的方程是 y二ax3z2.坐标原点是一个尖点(cusp)(见图).从原点算起的弧长等于 卜命【(4+9“’x,’‘’一‘,;曲率等于 6a k=一一一,二导一丫,一. 丫x(4+ga‘x),“ 半三次抛物线有时称为卜殆d抛物线(卜殆亚paJ旧-
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