矢量图形系统（支持撤销与反撤销

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show text in black screen with different size :)

java 制作的电子书店管理系统， 功能蛮齐全的啊，可以供毕业生做毕业设计的参考。-production of electronic bookstore management systems, functions pretty complete ah can do for graduates graduated from the reference design.

演示了如何避免多实例运行。

Article that you can know about controlling of hydraulics

允许您玩诺基亚7110的著名游戏

写的五角星，写的很差 功能简单的-Written by five-pointed star, to write a simple function of the poor

用最小二乘法拟合圆的算法，求出圆的特征值-Using least squares circle fitting algorithm, to derive eigenvalue round

集装箱的装箱问题 给定一个集装箱，其长为L，宽为W和高为H，现有一批圆柱形木材，每根木材的长均为L，但是半径不同，设第i根木材半径为ri。问如何装箱，使得集装箱的空间利用率最高？贪心-Container packing problem given a container, and its length L, width W and height H, the current batch of cylindrical timber, each timber are of a long L, but the radius is different from the first i set the root radius of timber ri. Asked how the packing, making maximum utilization of container space? Greedy

C语言描述的数据结构的小题目，请大虾们多多指点-C language to describe the data structure of small topics, please prawns support and guidance