采用四边形面积坐标来代替等参坐标。
The quadrilateral area coordinate is adopted instead of the isoparametric coordinate.
推广了经典的圆内接三角形面积最大值问题。
Classical maximum area of inscribed triangle is extended in this paper.
每个三角形的面积等于拼成的平行四边形面积的。
The area of every triangle equals the area of the parallelogram.
本文分析了过三角形中任意一点作线段平分三角形面积问题。
This article analyzes the problem about making segments crossing any point of a triangle to bisect the area of the triangle.
推导出用三顶点的测地坐标计算地球椭球面上三角形面积的公式。
The formula for area of triangle on ellipsoid by means of geodesic coordinate is derived in this paper.
答案是5，目前为止，这个平行四边形的面积,是那个正方形面积的5倍。
That's 5. OK, this parallelogram is apparently five times the size of this square.
四边形面积坐标(QAC)方法是新近提出的构造二维有限元模型的工具。
The new Quadrilateral Area Coordinate (QAC) method is a powerful tool to construct 2d finite element models.
提出了椭园内接或外切多边形面积公式，并讨论了其面积达到最大值与最小值的条件。
In this paper, an area formula of polygon of inscribed or circumscribed ellipse is presented and the condition that the area reaches maximum value or minimum value is discussed.
同时指出可以通过判断矢量多边形面积的正负值将多边形的顶点按照顺时针或逆时针方向排序。
At the same time the author points out that the polygon vertexes can be sorted clockwise or anticlockwise by judging the sign of the vector polygon area.
讨论尺规方法均分多边形面积，给出过多边形边界上一点作一直线将多边形面积二等分的作法。
This paper discusses the method of using rulers and compasses to average the polygonal areas by treating the dot on the bounder of a polygonal area as a beeline.
本文介绍了三种计算多边形面积的方法，重点介绍了如何利用VB语言编制计算多边形面积的程序。
Three methods are introduced for a polygon area calculation in this paper. And emphasis is put on how to use VB language to write the program for polygon area calculation.
在四边形面积坐标QAC - II的基础上，建立了弹性力学平面问题的面积坐标解析试函数方法。
An analytical trial function method (ATF) was developed based on the quadrilateral area coordinate system (QAC-II) for plane elements (ACATF).
研究弹道跟踪系统的异常数据识别问题，导出了一种基于三角形和四边形面积的异常数据识别的搜索方法。
In this paper, a search method based on the area of triangle and quadrilateral is presented to solve the problem of recognition of abnormal data in trajectory tracking system.
对于网格模型简化问题，本文提出了一种基于网格顶点曲率加权该顶点邻接三角形面积的顶点删除简化算法。
This algorithm removes vertices of the mesh according to the curvature of the vertex weighted by the area of the triangles which are adjacent to that vertex.
在这个项目中，利用它三角形面积和L形平面，通过在边缘植入电梯这一核心策略，实现了可售面积的最大化。
In this, with its triangular plot and L-shaped plan, maximum saleable area is achieved by strategic placement of the lift core at the edge.
本文采用四边形面积坐标，利用假设剪切应变场方法和广义协调理论构造出一个具有12个自由度的四边形厚薄板通用弯曲单元TACQ。
In this paper, a new quadrilateral thin-thick plate bending element with only 12 degrees of freedom, TACQ, is developed by using the area coordinate method.
本文从曲柄滑块机构中各杆件组成的三角形面积观点出发，分析了曲柄滑块机构中各参数与其面积的内在联系，从而得出相关参数的设计准则。
Based on the area of a triangle, the paper analyses the interior connection between crank structure and areas of triangle, then provides the design rules for its data.
这个平行四边形的面积是多少？
这个平行四边形仍然有相同的面积，它仍然在同一个平面上。
The parallelogram still has the same area, and it's still on the same plane.
那么现在这个平行四边形的面积是多少？
因此我们必须求出三角形的面积。
然后你可以看到在这三角形楔形物里的面积。
Then, you can look at the amount of area inside this triangular wedge.
当然这个平行四边形还是有同样的面积，也在同一个平面上。
Sure, the parallelogram still has the same area, and it's still in the same plane.
在曲面上做一些网格，你会看到一个网上的每一小块儿，都是小的平行四边形，我们要弄清楚它的面积和法向量是什么。
You will get some sort of mesh grid on your surface and you will look at a little parallelogram that is an elementary piece of that mesh and figure out what is its area and normal vector.
这面积，约等于平行四边形的一半，我能用向量表示它。
So, the area is approximately equal to one half of the area of a parallelogram that I could form from these vectors.
这就是空间三角形的面积公式。
That's the formula we've seen for the area of a triangle in space.
机体外形：三角形混合机翼能减少表面面积，表现提升20%。
Body shape: The blended wing's fuselage relies on a triangular shape to reduce its surface area and generate 20 percent of its lift.
看看三角形的面积。
平面上有一个三角形,用两个向量描述,记作A、B，怎样求三角形的面积？
Let's start with a triangle in the plane Well, then we need two vectors to describe it say A and B here. How do we find the area of a triangle?
平面上有一个三角形,用两个向量描述,记作A、B，怎样求三角形的面积？
Let's start with a triangle in the plane Well, then we need two vectors to describe it say A and B here. How do we find the area of a triangle?
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