A method for the random angly rotation of plane figures in the operation of electrical discharge wire-cutting machine was discussed.
对于一些不规则图形,可先对加工指令表达的平面图形进行坐标旋转变换。
This article employs the method of element changing in definite integral to spread the dimension formula of plane figures.
利用定积分的换元法 ,推广了平面图形的面积公
The formation of the plane figure path of the drilling and milling machine controlled by macrocomputer over mill machining;
微机控制钻铣床平面图形铣削加工轨迹的形成
In this paper,the area ratio of plane figure affine transformation in space is investigated,and the transformation equation of λ multiple of area is got , the area change of plane figure under affine transformation in space is studied, a important property of three axis ellipsoid is given and proved.
探讨了空间场的仿射变换下平面图形的面积比,推导出λ倍积变换方程式,进而探讨了空间场的仿射变换下平面图形面积的变化规律,给出并证明了三轴椭球体的一个重要性质。
From commonly used equation of calculating plane figure quadrature, formulas of calculating plane figure quadrature by applying curve parametric equation can be deduced.
从由曲线普通方程求平面图形面积的公式出发推出在各种情形下由曲线参数方程求平面图形面积的公式。
The cube formed after cutting one part off the same planar graph in different ways of motion and its method of calculation are introduced.
介绍了同一平面图形按不同方式运动截取一部分形成的立方体的图形及计算方法。
Through the comparison and analysis of four examples,this paper draws the common methods,procedures and thinking paths of using the definite integral in the calculation of the area of some planar graphs and the static pressure of the liquid.
通过4个例题的对比分析,得出定积分在计算一些平面图形面积和液体静压力的一般方法、步骤以及思考路径。
Velocity formula and acceleration formula of point in the plane graph is proved by means of complex vector,and a simple method to obtain the velocity and acceleration is proposed.
研究刚体的平面平行运动 ,用复矢量方法推导了平面图形内各点的速度、加速度关系式 ,给出了求解平面图形内各点速度、加速度的简捷方法。
Entitled to sickness benefit
(组成三角形、矩形等平面图形的)边
Graphs give data in a two-dimensional picture.
曲线图可标出二维平面图形上的数据。
A plane figure with four sides and four angles.
四边形有四个边和四个角的平面图形
a line segment forming part of the perimeter of a plane figure.
形成一个平面图形的边界的线段。
Graphic mapping on NURBS surface based on knot vector matching
平面图形在NURBS曲面上的映射
A representation of a sphere or part of a sphere on a plane surface.
平面球形图在平面图形上对一个球或球的一部分的表示
On Basic Modeling Elements of Plane Form and Plane Figure Design;
试论平面构成的基本造型要素与平面图形设计
A four-sided planar figure with a diamondlike shape; a rhombus that is not a square.
菱形钻石形状的四边平面图形;不是正方形的菱面体
a line that bisects a plane figure.
从中间切开一个平面图形的线。
Motion Analysis of Two Plane Figures with Both Rolling and Slipping
两平面图形间又滚又滑时的运动分析
Three-dimensional volume formed by plane graph rolling a beeline y=kx+b;
平面图形绕直线旋转所成立体的体积
MATLAB Application in Planar Graph Boundary Information Extraction
MATLAB在平面图形边界信息提取中的应用
a solid figure bounded by plane polygons or faces.
由多个多面形或平面限定的立体图形。
It is customary to represent a graph as a picture drawn in the plane.
图通常用平面上的一个图形来表示。
Plane Composition and Figure Originality--Reflection on the Plane Composition Teaching Reform from the Practice of Traditional Chinese Figures;
平面构成与图形创意——由中国传统图形反思平面构成教学改革
Plans, elevations and sections
平面图、正面图及截面图
A figure formed by three planes meeting at a point.
三面体由交在一点的三个平面所形成的图形
One of a set of parallel geometric figures, such as lines or planes.
平行线,平行面如直线或平面等一组平行的几何图形之一
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