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.
构造四边形单元时，应用面积坐标方法有其优点。
The area coordinate method has been successfully applied to construct triangular elements.
应用三角剖分、引入面积坐标来求出方程的近似解。
The triangular elements and area coordinates are used to solve the numeric solution.
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.
在论述铀放射系不平衡原理的基础上，提出了地下水三元补给体系混合比的面积坐标算法。
According to the basic principle in uranium series disequilibrium, a calculating method for the mixing ratio of a three source recharge system of groundwater is raised.
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).
该文系统地建立了具有两个坐标分量(T 1,T2)的四边形单元第三类面积坐标系统(QAC - III)。
In this paper, the third version of area coordinate systems for quadrilateral elements (QAC-III) with two coordinate components (T1, T2) is systematically established.
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.
下面的示例演示如何使用正则表达式从文本中提取出坐标和面积等概念。
The following example show you how to use regular expressions to extract concepts such as coordinates and areas from text.
查看示例内容表，可以看到国家的地理坐标和面积总是采用相同的格式。
Looking at the sample contents table, you can see that a country's geographic coordinates and area are always given in the same format.
那么，改变一下区域，把这块移到另一侧，我们得到对xdA的双重积分,是原点那的圆面积乘质心的x的坐标。
So, switching the area, moving the area to the other side, I'll get double integral of xdA is the area of origin times the x coordinate of the center of mass.
这里使用dS而不是dA，因为我习惯把dA看成是，坐标平面中的面积元，就像在二重积分中所做的那样，待会大家会了解。
I am using dS rather than dA because I still want to think of dA as maybe the area in one of the coordinate planes like the one we had in double integrals. You will see later where this comes in.
所以这告诉我们dA，即uv坐标系中的面积元素，将比在xy坐标系内的，面积元素大了5倍。
So, that tells us that dA prime, the area element in uv coordinate is worth five times more than the area element in the xy coordinate.
然后，在uv坐标系内，把面积元素定义为dA，只是为了让他们看起来不同。
And, the area element in uv coordinates, let me call that dA prime just to make it look different.
我们要知道，它们之间的关系是什么,把dA设为xy坐标系的面积元素，dA就是，取决于顺序也许就要写成。
So, we want to understand, what's the relation between, let's call dA the area element dxdy in xy coordinates. So, dA is dxdy, dydx maybe dydx depending on the order.
结果表明，利用通用坐标转换程序，结合解析法求算面积的方法是解决无测积功能GPS测量面积的理想方法。
The results showed that using universal coordinate transform program and analytic geometry method could resolve the problem of measuring area for GPS without function of measuring area.
给出曲面积分在空间坐标的正交变换下的一个计算公式。
A calculating formula for surface integrals under orthogonal transformation of space coordinates is given.
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.
在没有其他有用信息的情况下，三线坐标校正相当于在定位直线中引入了面积约束。
The location region of the source is determined and the trilinear coordinates of the source are corrected by using the constraint on area of triangles.
本文提出了一种改进的分段二次插值法描写光学系统的光瞳形状，得到了满意的效果，其坐标误差小于1%，面积误差约0.25%。
A modified segmental quadratic interpolation method which describes the shape of optical system pupil with relative coordinate error less than 1% and area error about 0.25%, is presented.
本文介绍了一种提取物体特征的方法，它将物体的面积，周长，中心坐标一次求出。
This paper introduces a method of drawing out the feature of body. It extracts the area, the length and the center coordinate position of body at the same time.
确定了物体对称轴的取向后，可使用坐标变换方法，将轴对称物体的对称轴旋转到某一特定的取向，便于使用特征面积分布作为特征参数进行快速的目标分类识。
By rotating the symmetry axis of a target into a defined orientation, it is efficient for target recognition to use the feature area distribution as a parameter.
利用坐标平移、旋转变换，导出旋转曲面面积求法的一般公式。
By making use of transformation of coordinate translation, coordinate rotation, we deduced general formula about area of rotational surface.
由坐标解析法界址点与面积的误差传播关系、导出了面积精度估算的具体计算公式。
The practical formula for area of house property precision estimation is developed, from the relations of propagation between the analytical boundary points and the area.
以浓度为横坐标，峰面积为纵坐标，绘制标准曲线。
Taking the consistence as the X-axis, the peak area as the Y-axis, draw the standard curve.
以时间为横坐标及观察期BP和HR的变化为纵坐标计算气管插管后观察期血流动力学时-效关系曲线下面积（AUE）。
The areas under effect-time curve (AUE) of hemodynamics were calculated by time as X-axis and changes of BP and HR during the observation as Y-axis.
以时间为横坐标及观察期BP和HR的变化为纵坐标计算气管插管后观察期血流动力学时-效关系曲线下面积（AUE）。
The areas under effect-time curve (AUE) of hemodynamics were calculated by time as X-axis and changes of BP and HR during the observation as Y-axis.
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