粗糙表面压力摩擦力及摩擦系数之间的关系，高斯分布 Yali

说明：  graph cut segmentation method.

MATLAB编写的一段有限元方法计算梁的应力分析程序(A finite element method program written by matlab for stress analysis of beams)

学习VBA for Acad，AUTOCAD二次开发，提高设计制图效率，定制适合自己工作的插件(Learn VBA for Act, AUTOCAD secondary development, improve design and graphics efficiency, customize plug-ins suitable for their own work)

为了感谢惠俊英老师的谆谆教诲，再为好奇诸君奉上水声物理--海洋传播声场模拟的一份武林秘籍--海洋传播声场抛物方程解算方法--RAM！ 当好奇诸君阅毕此卷，再对照轻松跑完作业，即入门 RAM！ RAM 与 AcousticsToolbox 遵照 GNU 公共许可证进行分发。感谢Michael D. Collins 对 RAM 的原创，也感谢由 Free Software 凝聚起来的自由科学家社区(In order to thank Professor Hui Junying for his teachings, and then offer you a secret book of underwater acoustic physics, ocean propagation sound field simulation, the parabolic equation solution method of ocean propagation sound field, RAM! When curious gentlemen read this volume, and then compared with easy running homework, that is, access to RAM! RAM and Acoustics Toolbox are distributed under the GNU Public License. Thanks to Michael D. Collins for his original RAM and to the Free Software community of free scientists.)

FLAC3D软件生成球状模型的代码，采用fish语言(FLAC3D software generates the code of spherical model using fish language)

西门子变频器t300说明书，分享给各位，希望能通过(The installation, connection and commissioning of the equipment and modules is not described here. These are provided in sufficient detail in the Instruction Manual of the equipment.)

java电信管理系统，针对电信业务的收费，查询，和业务管理功能。(java Telecommunications Management System)

说明：  SN74HC595D For alios things Code

说明：  PLECS是一个用于电路和控制结合的多功能仿真软件，特别是用于电力电子和传输系统。该PLECS模块是一个光伏电池模型（该软件没有内置的光伏电池模型）。(PLECS is a multi-functional simulation software for the combination of circuit and control, especially for power electronics and transmission systems.This PLECS module is a PV battery model (the software does not have a built-in PV battery model).)

说明：  基于matpower 的最小网损最优潮流解(Optimal power flow solution with minimum network loss based on MatPower)