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说明：  LED code for 51 chips

说明：  Awsome Generation of data and key and other stuff

这本书延伸科学畅销书“全球定位系统 - 理论与实践”，以涵盖全球导航卫星系统（GNSS），包括俄罗斯GLONASS，欧洲伽利略系统，以及其他系统。书是指在一般意义到GNSS来描述各种现有参考系统的坐标和时间，卫星轨道，卫星信号，可观察，数学模型的定位，数据处理，和数据转换。本书是一本大学级入门教材，目的是作为学生的参考以及为专业人士和科学家在大地测量领域，测量工程，导航和相关学科。(This book extends the scientific bestseller GPS- Theory and Practice to cover Global Navigation Satellite Systems (GNSS) and includes the Russian GLONASS, the European system Galileo, and additional systems. The book refers to GNSS in the generic sense to describe the various existing reference systems for coordinates and time, the satellite orbits, the satellite signals, observables, mathematical models for positioning, data processing, and data transformation. This book is a university-level introductory textbook and is intended to serve as a reference for students as well as for professionals and scientists in the fields of geodesy, surveying engineering, navigation, and related disciplines.)

说明：  EXCEL精灵 反编译原代码 ，这段代码幸亏不是全球数据，要不会把编译器气冒烟的(EXCEL Wizard Decompiles Original Code)

说明：  This is useful file for S7 PLC control systems.

经典游戏俄罗斯方块的一种简单实现，支持玩家信息的保存和统计。(A classic game of Tetris simple implementation, support the players the preservation of information and statistics.)

实现三维空间散乱点云的滤波，平面分割和圆柱面的分割(To achieve three-dimensional space scattered point cloud filtering, plane segmentation and cylindrical surface segmentation)

让大家轻松学会C++语言程序设计书籍教程资料......(Visual C++)

非常好的管理类软件，各种功能非常齐全，欢迎使用！！！(Very good management class software, various functions are very complete, Welcome! ! !)

测绘领域，该程序为一个边角网平差的程序，能够进行近似计算、间接平差计算，同时能够绘制出测量的网图，进行精度测评。(The field of surveying and mapping, the program for a corner net adjustment procedures can be approximately calculated, indirect adjustment calculation, at the same time able to draw a network diagram, measurement accuracy evaluation.)