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学习ALU的设计方法。 2、用HDL语言采用行为描述的方法完成74181的逻辑设计 。(Learn the design method of ALU. 2, use HDL language to use behavioral description method to complete 74181 logical design.)

点云查看器，实现点云数据（.ply格式）的导入和导出、清除当前点云数据、显示每个点的法向、根据每个点法向对应的颜色值，赋予这个点颜色、对当前窗口截屏。(Point cloud viewer, to realize the import and export of point cloud data (.Ply format), to clear the current point cloud data, to display the normal of each point, to give the corresponding color values according to each point method, to give this point color and to screen the current window.)

Windows API函数,希望大伙有用哦-Windows API function, I hope everyone Oh useful

说明：  第二部分，本文档深入介绍了PCB设计的工具和技术，供大家学习参考(The second part,This document deeply introduces the tools and technologies of PCB design for your reference)

template实例 可以测试编译器支持的标准程度，g++和borland c++编译器都能通过-template examples can test the compiler to support the standard, g and borland c compiler can be accessed through the

题目：从键盘输入一些字符，逐个把它们送到磁盘上去，直到输入一个#为止。(Title: enter some characters from the keyboard, and one by one they go to the disk until the input a#.)

说明：  按可见时长排序的，带冲突规避的星间链路时隙分配规划(Inter satellite link slot allocation planning with collision avoidance sorted by visible duration)

通过labview产生一个信号源 然后将此信号接入到频率计数器中，以此对信号源的频率进行采样 (this a labview program)

天文观测软件，可以根据爱好者所在地点随时准确地进行定位并预测未来星空图。-Astronomical Observatory of software, according to the location at any time lovers accurately locate and predict the future Star Chart.

全国大学生电子设计大赛的滚球系统的基于stm32的程序(Handwritten Recognition Library in Punctual Atomic Development Board)