用jquery实现一款2级菜单

通过欧几里德距离对三维空间内的数据点进行聚类： 从文件读入三列表示坐标的数据进行聚类。按项目总数和组数平均划分。首先计算两两之间的距离，选出最近的两个点，再按距离由小到大排序，找出距这两个点最近的若干个点。 除去这些点后对其余的点重复进行上述操作。-By Euclidean distance on three-dimensional space, clustering of data points: from the file read into the three coordinates of the data indicated that cluster. According to the average number of total number of projects and group division. First, calculate the distance between 22 to elect the nearest two points, and then from small to large order to identify these two points away from a number of recent points. After removing these points the rest of the point of repeating to carry out such operations.

结构计算ansys原程序，适用于学习ansys结构程序的人-Ansys structural calculations of the original process, applied to study the structure and procedures of ansys

一篇介绍独立分量基础知识以及其实现的ppt。-Introduced a basic knowledge of independent component as well as its realization ppt.

实现得失一个交通灯。利用vhdl语言-realize a gain or loss of traffic lights. The use of VHDL Language

一个利用SQL语句更新数据的小工程，大家有空可以-SQL statement to update data using a small-scale projects, we can look at empty

地图编辑器TiledStudio汉化版 TiledStudio大家不陌生，有人汉化大力支持 -Map editor TiledStudio Chinese Version TiledStudio no stranger to everyone, it was finished strong support

Catia script created in VB. Very useful for Catia users. this script automated the process of fills and joins in imported geometry.

vb做的一个主接线，属于电力系统方面的，有断路器和隔离开关-vb done a main wiring belonging to the electricity system, circuit breakers and disconnector

用ＭＡＸＰＬＵＳ设计的ＣＭＩ程序，好不容易弄到的，-MAXPLUS designed by CMI procedures, easy to get, and

2D Savitzky-Golay Smoothing Differentiation Filter-2-D Savitzky-Golay (SG) Smoothing and Differentiation Filter. The filter coefficients are calculated from the decomposation property of the 2-D SG filters. In addition, the filter coefficients for mixed partial derivative can be obtained by this function. h=sgsdf_2d3(x,y,nx,ny,d,flag_coupling)x = x data point, e.g.,-3:3 (both odd-length