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大连理工出版社，数据结构与算法（第三版）ppt-Dalian Science and Technology Press, Data Structures and Algorithms (third edition) ppt

说明：  DNF私服通用GM工具，可以自己搭建私服使用或者找公益服(General GM tools for dnf private service)

FFmpeg视频解码器的详细介绍，首先讲解了视频编码的基础知识，然后进行编码器的介绍(The detailed introduction of FFmpeg video decoder, first explained the basic knowledge of video coding, and then introduce the encoder)

说明：  R语言舍选法、极坐标法、Box-Muller变换产生正态随机变量(R Language Rounding Method, Polar Coordinate Method and Box-Muller Transform to Generate Normal Random Variables)

说明：  C8051F USB Audio Class

说明：  三相并联BUCK电路，和单相buck相比功率更大。(The three-phase parallel BUCK circuit is more powerful than the single-phase BUCK circuit.)

主要计算声学里的 A计权中各频率点的修正值，自动计算得出修正值。(It mainly calculates the A weight of the acoustics, the correction value of each frequency point, and automatically calculates the correction value.)

说明：  这是一本关于嵌入式方面的书籍，书名是嵌入式C编程与Atmel AVR，对于学习嵌入式的读者是很有用的学习资料。(This book, embeded C programming and Atmel AVR, introduces the knowledge about embed C programming, which is valuable for readers who are learning embed programming.)

VB动画版“关于”窗口，带拉幕和滚动字幕效果，拉幕式动画“关于“窗口，用来制作软件的”“关于”对话框之类的比较合适，打开窗口后，点击“关于本软件”后会弹出一个带滚动字幕的拉幕窗口，动画效果流畅，还可调节速度，文字由下向上滚动，背景可随机颜色。当点击“退出”时，幕布会动画合拢。拉幕的动画效果以及文字滚动效果是比较实用的VB技巧。

说明：  这是2019年新出的文献，主要是介绍SPSS来实现PCA降维，，并和BP结合，简单方便~(This is new literature published in 2019, which mainly introduces SPSS to realize dimensionality reduction of PCA, and combines it with BP, which is simple and convenient ~)