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GPS测量中，地心空间直角坐标转换为地理坐标的源代码，需要输入椭球参数-GPS measurements, geocentric spatial rectangular coordinates into geographical coordinates of the source code, need to enter the ellipsoid parameters

说明：  python 关于深度学习以及Imageai的一些资料(Python deep learning and other file about the Imageai)

说明：  颗粒 三轴模型 ，在动载荷作用下的三轴模拟(Three-axis model of particle, three-axis simulation under dynamic load)

说明：  本文档主要介绍 Hi3519AV100 芯片方案的硬件原理图设计、PCB 设计、单板热设计建 议等。本文档提供 Hi3519AV100 芯片的硬件设计方法。(This document mainly introduces the hardware schematic design, PCB design, single board thermal design suggestions, etc. of the hi3519av100 chip scheme. This document provides the hardware design method of hi3519av100 chip.)

说明：  二维码（data matrix）检测定位算法，(data matrix detection and positioning)

相当实用的flash原代码，可以提供很多信息

支持AMD64指令反汇编-support AMD64 instructions anti-compilation

讲述分组交换的概念，优缺点，和其他交换方式的比较，是数据通信方面的好ppt-The document gives the concept of packet switching, longcoming and shortcoming. And also give a compare with other techs. It s a good material about data communication.

Calcules for integral, in pdf

二维图形类的顶点类源码，对二维图形变成很有帮助。-Two-dimensional graphics class vertex type source of two-dimensional graphics become very helpful.