相交

The algorithm firstly usd space decomposition method to identify potential regional intersection and then used bounding volume boxes to locate the intersection triangles and the exact points.

该算法首先用空间剖分法找出潜在的相交区域，然后用包围盒求得碰撞的三角面片对和精确的碰撞点。

Only with such characteristics, the movement equations can be expressed as matrices, and the idea of transforming the movement equations to the simplest form through a nonlinear transformation can be realized;(2) The form of Zi =Yi + YTH2i Y + Y7H3i Y(2)+ Y(2)T H4i Y(2)+ YTH5i Y(3) is adhibited in the nonlinear transformation, so that the multivalued problem caused by the nonlinear transformation is avoided, and the higher order transformation can be taken next;(3) The fourth order nonlinear transformation matrices H21,H31,H41 and H51 are derived, by which the original movement equations of electric power system is transformed to Jodan form in Z space;(4) By use of the fourth order nonlinear transformation, the approximate expression of the stability boundary is obtained, in Z space it is Z1= 0,in Y space it is Y1 + YTH21 Y + YTH31 Y(2)-i- Y(2) TH41 Y(2)+YTH51 Y(3)= 0;(5) The criterion used in this paper to judge whether the system critical unstable is simple and quick;(6) The method used in this paper is a direct method, and no need to construct an energy function.

正是由 于电力系统的运动方程具有这样的特性，才能写成矩阵的形式，通过非线性变换将电力系统的运动方程变换为最简单的线性形式的思想才能得以实现；（2）将通常运用于电力系统暂态稳定性分析的Normal Form变换的形式由 Yi＝ Zi＋ ZTh2riZ变形为 Zi＝ Yi＋YTH2iY＋YTH3iY（2）＋Y（2）TH4iY（2）＋YTH5iY（3），从而使得在对持续故障轨线实施同样的非线性变换以确定临界切除时间时，避免了非线性变换带来的多值性的问题，而只有在没有多值性问题的困扰下，才能采用较高阶的变换：（3）推导出了将原始电力系统系统的运动方程变换到Z空间的约当形式的非线性变换矩阵H21、H31、H41、HS1：（4）在运用四阶了「线性变换的情况下，给出了受扰动后系统的稳定边界的近似的解析表达，在Z空间为Z1=0，在y空间为： Y1+YTH21Y+YTH31Y(2)+Y(2)TH41Y(2)+YTH51Y(3)=0 （5）确定临界失稳的判据简单、快捷：对于一个复杂的电力系统，其稳定边界是相当复杂的一个高维曲面，即便是已知系统稳定边界的解析表达，要求出系统持续故障轨线何时与这一高维曲面相交，在数学上几乎是不可能实现的。

From this, some expositors, I think, without straining the text, have said,"There is an equality among the saints."

在天国中这些尊荣的灵魂是蒙福的，他们得以亲近基督、能清楚瞻望祂的荣耀、能经常进入祂的庭中、并且与祂有亲密的相交。

The classical theorists resemble Euclidean geometers in a non-Euclidean world who, discovering that in experience straight lines apparently parallel often meet, rebuke the lines for not keeping straight--as the only remedy for the unfortunate collisions which are occurring.

古典学派的理论家们很像置身于非欧几何世界中的欧几里德几何学家们，一旦发现在日常经验中两条显然平行的直线经常会相交，他们就会指责说线没有保持平直——这被看作是解决两条线发生不幸冲撞的唯一办法。

They say it's the only time when our world intersects with theirs.

人们常说只有在这一时刻，才是我们的世界与他们的相交。

So basically what we get is a white image with dark areas where geometry intersects with itself.

所以基本上我们所得到的形象与白色相交几何与黑暗的地方。

This is useful because, if say the frog intersects with the car, then we obviously want the frog to die.

这是有用的，因为，如果说同车的青蛙相交，那么我们当然希望青蛙死亡。

If the line intersects an icon's area, then it is assumed that the user meant this icon.

如果行的图标相交的区域，然后假定用户意味着这个图标。

If the new polygon intersects another polygon, we merge the two regions.

如果新的多边形相交另一多边形，我们合并这两个地区。

Line 36 intersects only one corresponding point of all the acoustic drivers of the line array.

与图2中的传统的线性阵列相比，线36仅与线性阵列的所有声学驱动器的一个对应点相交。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。