helix是什么意思

网络释义

用法例句

This paper discusses the representation of the circle and the helix using the rational Bezier curves.

本文主要研究了如何用有理Bézier曲线表示圆弧中的圆及圆柱螺旋线。

On the problem of the minimum outer enclosure parallelepiped and cylinder;

关于最小外包容平行六面体和最小外包容圆柱问题

Solution of obliquely intersection-line of cylinder and circular cone;

圆柱与圆锥偏斜交相贯线求法的研究

Fluid-structure interaction of a cylinder with three fins and steady flow;

稳定流与三翼圆柱的流固耦合研究

Numerical simulation of periodically deforming circular cylinder;

周期性变形圆柱绕流特征的数值分析

Calculation of unsteady flow around circular cylinder and vortex-induced vibration;

圆柱非定常绕流及涡致振动的数值计算

The scattering of two-dimensional photonic crystals composed of multi-layered periodic arrays of circular cylinders are studied.

研究了由多层周期圆柱阵构成的二维光子晶体对电磁波的散射,并通过算例从数值上证实了负折射现象的存在。

Researches on failure modes and fiber strain response of FRP-strengthened RC circular columns;

FRP加固钢筋混凝土圆柱破坏模式及纤维应变特性研究

It is pointed out that the existing models for the ultimate strain of FRP-confined con crete circular columns wer.

在国内外大量试验研究的基础上,比较分析了FRP、箍筋及钢管约束混凝土圆柱性能的差异。

The paper presents a quantitative analysis of the various factors that influence the deformation of the partially prestressed concrete circular columns.

对影响部分预应力混凝土圆柱的变形性能和变形恢复性能的各种因素做了定量的研究 ,并经过回归分析提出了各特征点的近似计算公式 。

Based on the elasticity theory of spatial axial symmetry question,the paper established the stress formula for the carbon fiber clothes strengthening concrete circular section column theoretically.

从弹性力学的空间轴对称问题出发,从理论上推导建立了碳纤维布加固混凝土圆柱的应力计算公式,提出了碳纤维布加固混凝土圆柱后的等效轴压比概念,并给出了理论计算公式,从量上分析了环向粘贴碳纤维布加固混凝土圆柱的加固效果。

Where taper and column pro-cuts,it usually utilizes characteristic of gather in side elevation to seek the cut line in the furthest right point,passing the top of taper to make cut line of gather circularity,finding out the cutting point in shadow of V side,which was thought that the point should be the furthest right.

利用计算机辅助设计给出了一种新的圆锥、圆柱正交相贯线最右点的求解方法。

It is able to provide a new method for the calculation of furthest right point of taper and column pro-cuts by CAD.

利用计算机辅助设计可给出一种新的圆锥、圆柱正交相贯线最右点的求解方法。