Several of the pager messages point to the mass of confusion and rumour-mongering that set in after the first plane hit the north tower.
有几条寻呼机信息表明在第一架飞机撞上北塔之后，人们产生了大量的困惑，谣言四起。
The net points of a plane can be mapped onto a set of integers in a one to one way based on the tree, so can any point of a plane be approximately mapped onto an integer with arbitrary accuracy.
利用该平面坐标网二叉树，把平面中的网格点一一映射到一个整数集合上，从而可以把平面中的任意点近似地映射为一个整数，而且可以任意精确，对任意平面图形图象的处理、储存和传输起着极其重要的作用。
In this paper, cluster centre and the distance from point to the cluster centre was defined, and a dynamic analysis method for plane point set was put forword.
本文定义了聚类中心以及点到聚类中心的距离，提出了一种平面点集的动态聚类分析方法。
To study the intersection visibility of two general place planes, this paper set the planes as two faces of front and backs from the point of projection character of a space plane.
为了研究两平面相交可见性的规律，从空间一个平面的投影特点入手，将平面分别设定为正面、背面两面，讨论平面图形各顶点投影顺序与平面正面、背面的投影所具有的内在规律。
To study the intersection visibility of two general place planes, this paper set the planes as two faces of front and backs from the point of projection character of a space plane.
为了研究两平面相交可见性的规律，从空间一个平面的投影特点入手，将平面分别设定为正面、背面两面，讨论平面图形各顶点投影顺序与平面正面、背面的投影所具有的内在规律。
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