11_chapter 4

用VB写的读取excel文件，向excel文件中写入内容的源代码-Written by VB to read excel file, excel file to write the contents of the source code

This Unix C code monitors a web server every few minutes by trying to retrieve its home page. It sends you email when it can t connect, and every so often while the server is still down. It sends a final message when it comes back up. If you have email paging, just direct the email to your pager address.-This Unix C code monitors a web server every few minutes by trying to retrieve its home page. It sends you email when it can t connect, and every so often while the server is still down. It sends a final message when it comes back up. If you have email paging, just direct the email to your pager address.

说明：  基于生态平衡的原理，计算隧道的平衡涌水量(Calculate the equilibrium water inflow of the tunnel)

FLAC3D蠕变，用于地下工程开挖蠕变模拟研究学习(Study on based mechanical application, including creep time, how to use creep in flac, in underground .)

采用自稳定域法分析二姐系统稳定性，并使用simulink仿真(Adopted sister from the stable region system stability analysis and simulation using simulink)

说明：  功能小程序，很方便做到翼型的升阻力系数的气动计算和结构优化(xfoil Small function program, it is very convenient to achieve the aerodynamic calculation of airfoil lift resistance coefficient and structural optimization)

电力系统工具包(PST)的最新版本3.0，以及英文说明，它最大的优势在于扩展性强，已经在电力系统获得较为广泛的应用(Power System Kit (PST) The latest version 3.0, as well as in English, it is the biggest advantage of strong expansion, has been in power systems get more widely used)

详细地介绍了世界上先进的表面处理工艺 很实用-detailed introduction of the world"s advanced surface treatment technology is practical

用于将txt格式数据，转换为.dat格式的数据，便于CASS处理。(Txt format for the data is converted to. Dat format, easy CASS processing.)

自动刷多网站PV的一款小工具，希望大家喜欢(Automatic brush of a small multi-site PV tool, hope you like)