有1、2、3、4个数字，能组成多少个互不相同且无重复数字的三位数？都是多少？...

TKDE2012 时间序列分析的异常检测综述 论文(TKDE2012 time series analysis of anomaly detection reviewed papers)

Microsoft MS-DOS6.0 完整源代码，包括所有外部命令，安装程序，DOSSHELL等。每个源文件均包括开发历史、更新说明、注释。这样一套源码对你的意义，实在无法以笔墨形容(Microsoft the MS-DOS6.0 complete source code, including all external commands, the installation procedure, DOSSHELL and so on. Each source document includes the development history, the renewal explanation, the annotation. This kind of set of sources code to your significance, really is unable to the words to describe )

运用LOD算法实现的地形模拟，OpenGL实现(The use of terrain LOD algorithm simulation, OpenGL achieve)

说明：  利用51单片机引脚实现对IIC通讯的模拟(Simulation of IIC communication with 51 MCU pin)

说明：  使用STM32F103C8T6的要硬件读取AS5047P磁编码器，附带程序注释(Read the as5047p magnetic encoder using the hardware of stm32f103c8t6 with program notes)

Optimized FFT code on TI C64+

使用libmpg123.dll, 将mp3文件解码为wav文件(Decode mp3 file to wav file by using libmpg123.dll.)

Matlab高级讲义-控制系统的分析方法(Matlab senior notes- control system analysis)

说明：  域用户登录，用户名密码登录验证，运行环境iis，编程环境 vs2010(Domain User Logon, User Name Password Logon Verification, Simple Judgment)

说明：  QT界面简单的图形移动和鼠标绘图，实现桌面下雪效果，动画效果(QT interface simple graphics movement and mouse drawing to achieve desktop snow effect, animation effect)