建筑施工企业工程介绍信管理系统

Management System for the Construction Engineering Enterprises' Letter of Introduction

工程介绍信管理系统是针对工程介绍信为基础开发的信息管理软件,文章介绍了这一软件系统的原理。

Letter of introduction system is a kind of software developed for the management of letters of introduction. The working principle is introduced in this article.