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说明：  打印条码类 通用pdf打印和二维码打印 一维码打印等(Printing Bar Code Generic PDF Printing and Two-Dimensional Code Printing, One-Dimensional Code Printing, etc.)

有些PDF加密后，虽然能查看，但不能拷贝，这里给出了一个单文件的绿色密码去除软件-Some PDF encryption, though able to view, but you can not copy, here gives a green single-file password removal software

采用ANSYS软件的APDL语言编写的两个命令流文件，用于计算含缺陷管道的失效概率，将参数稍作改动，可用于其它结构的可靠性分析(Two command stream files written in APDL language of ANSYS software are used to calculate the failure probability of defective pipeline. The parameters can be changed slightly and can be used for reliability analysis of other structures.)

说明：  根据“A Semi-Empirical Sea-Spectrum Model for Scattering”这篇文章进行不同海风情况下的海面三维模拟。(According to the article "A Semi-Empirical Sea-Spectrum Model for Scattering", three-dimensional sea surface simulation under different sea breezes is carried out.)

说明：  实现机载预警雷达最优stap的仿真，阵列天线模型，脉冲发射雷达(Simulation of optimal STAP for airborne early warning radar, array antenna model, pulse launch radar)

一维水质扩散模型，使用Matlab编写，亲测可用！！！！！(One dimensional model of water quality diffusion)

简明python教程 《A Byte of Python》是一本由 Swaroop C H 编写，旨在于介绍如何使用 Python 语言进行编 程的自由图书。它以教材与指南的形式为入门者介绍 Python 语言。如果你对电脑知识的了解 仅限于如何保存文本文件的话，那这本书就是为你准备的。(Concise Python tutorials)

QT5关于UDP协议进行的通信窗口程序源码(Communication window QT5 on UDP protocol procedures source)

基于PQ解耦法的双馈风力发电机并网潮流计算，主要针对稳态情况下(PQ decoupled method based on doubly-fed wind generator grid power flow calculation, mainly for the steady-state case)

卫星工具包（STK）的英文版说明及中文版教程(Satellite Toolkit (STK) in English and Chinese versions of tutorials that)