本文提出了曲边四边形薄板弯曲单元解决曲线边界薄板的弯曲问题。
This paper presents a curvilinear boundary quadrilateral element for the problem of thin plate of bending with curvilinear boundary.
本文首次将基于矩阵理论的直线法推广到曲线边界的二维电磁场问题。
The 2-d em boundary value problems with curved boundaries are first treated by the method of lines based on the matrix Theory.
由于曲线边界可以由小线段组成的多边形来逼近，所以通过本算法，我们还可以实现任何边界区域间的布尔操作。
We know that curves can be approached by mini line-segments, so the Boolean operations between almost all regions can be implemented by this algorithm.
欧文·费雪还画了一条曲线，一条社会的生产可能性边界，他让它向下弯曲。
Irving Fisher also drew on the curve, a production possibility frontier for society, which he made downward-curved.
如果沿着区域边界逆时针走，基本上，是逆时针沿着外面的曲线走。
And so, if I go counterclockwise around this region, basically I go counterclockwise along the outer curve.
内部边界曲线是顺时针的，或者加一个负号。
The inner boundary either goes clockwise, or you put a minus sign.
也可以是，自己去选择，有可能的、最简单的，以该曲线为边界的曲面。
It might be that you will be left to choose the simplest possible surface you can think of that is somehow having this curve as its boundary.
空间上存在一条闭合曲线，我需要看出它是什么的边界。
Stokes says if I have a closed curve in space, now I have to decide what kind of thing it bounds.
基本上，这两个公式把沿曲线的功，和被曲线包围的曲面上的旋度，联系起来了，曲面是以该曲线为边界的。
Both of these formulas basically relate work on a curve with what happens to the curl on the surface that is enclosed by this curve, that is bounded by this curve.
对于任意完全包含在圆环面上的曲面，这个曲线都不是它的边界。
See, this one also does not bound anything that's completely contained in the torus.
收入不平等的正态分布曲线最大的一部分从中产阶级底线中移开，由此，大量中产阶级摆脱了贫困，尽管如此，十分靠近边界的也不在少数。
As the fat part of the bell curve of income inequality moves beyond the middle-class threshold, huge Numbers are lifted out of poverty. Yet many of them are still perilously close to the borderline.
请跟随他想象的曲线你的眼睛，也许沿途某处边界，在那里结束他的梦想和你开始将开始解散。
Follow your eyes along the curves of his imagination, and perhaps somewhere along the way the boundary where his dreams end and yours begin will start to dissolve.
欧文·费雪还画了一条曲线，代表了社会的生产可能性边界PPF，这是一条向下的曲线。
Irving Fisher also drew on the curve a production possibility frontier for society, which he made downward-curved.
电脑的缓冲垫要求按冲击响应谱的破损边界曲线进行设计。
Cushioning pads of computers is required to design according to the boundary curves of shock response spectrum (SRS).
曲线内倒角：现在你可以通过打开倒角加强选项窗口的曲线内部倒角功能来实现曲线的边界倒角。
Bevel inside curves: You can now bevel within the bounds of a curve by turning on the bevel inside curves option in the bevel Plus Options window.
其次，在曲面片内部，曲面拟合点和边界方向导数可以从参考曲线中通过构建虚拟等参线的方法得到。
Next, in the interior of the patches, surface fitting points and cross boundary derivatives are estimated from the reference curves by constructing virtual iso-parametric curves.
这些区域没有我关闭了边界曲线的沙滩草地。
The areas that should receive no beach grass I closed out by border splines.
用一种简单方法来近似圆形槽波导的曲线金属边界。
A simple way is used to approximate the curvilinear metal boundary of circular groove guide.
在三角形域上构造对边界曲线和跨界导数插值的三角曲面是计算机辅助几何设计和计算机图形学等领域中的基本问题。
Constructing triangle surface which interpolates the boundary curve and cross-boundary slopes on a triangle is the basic problem in computer aided geometric design, computer graphics and so on.
在逆向工程中，复杂外形产品的曲面边界曲线的品质，是影响产品外观设计质量的关键因素。
In reverse engineering, the character of surface border curve in complex contoured product is the key factor affecting the outlook designing quality of product.
以试井资料为基础，结合试油、试采及其它地质资料通过压力诊断、曲线拟合、边界分析等，得到准确的油藏参数。
Based on testing data, combining well test, recovery and other geologic data, by pressure diagnose, curve analog and boundary analysis, an accurate reservoir parameter can be gained.
利用生产曲线，对T444井边界性质进行辅助判断，取得了较好的效果。
According to well of T444, that utilizing logging curve to determine boundary feature achieves a good result.
该法在原始对称构型的颤振边界曲线已知的情况下，就能推断结构参数不对称时颤振速度的变化趋势。
The varying tendency of flutter speed can be deduced when the store parameters are asymmetric, according to the results of the original symmetric flutter boundary curves.
HHT刚提出不久，其理论本身还存在不少问题，如包络线和均值曲线的拟合、边界效应和模态混叠等问题。
HHT has not been put forward for long time, so it contains some theoretical problems, such as envelop and mean curve fit, boundary effect, modes mix and so on.
用它可以修正破损边界曲线，避免破坏性实验，减少由于保守设计造成的过度包装。
Also correct damage boundary curve to avoid damage test, reduce over package design caused by conservative design, make package design approach distribution reality.
讨论了基于冲击响应谱的产品破损边界曲线具体测试方法与步骤，该测试方法简单宜行。
The test method and steps of product damage boundary curves based on shock response spectrum were discussed.
并给出了3D曲线形状边界约束的最优方程。
The optimal equation of 3d curve-shape with constrained boundary is given.
借助于电子计算机，得到了稳定区和非稳定区的边界曲线。
We have evaluated the absolute stability criterion and have obtained, by the aid of computer, the boundary lines between the stable and unstable regions.
如果完全封闭它，那么这条曲线就不再是它的边界，因为曲面在这条曲线的两边都存在。
If I close it completely, then this curve is no longer its boundary because my surface lives on both sides of this curve.
平面目标闭合曲线的傅里叶描述子只描述了目标区域的边界形状，无法反映目标内在属性。
The Fourier describer only describes the boundary shape of the planner target region, and can not reflect feature inside characteristic.
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