说明：  合同管理的工具，非常使用，适合课程设计使用。程序分为4大模块，分别是信息管理、资料打印、账号管理和资料管理四个主要功能模块。具体每个模块又分为四个子模块。
(contract management tools, the use of very suitable for curriculum design. Procedures are divided into four modules, namely, information management, information Print, account management and information management four main modules. Specific each module is divided into four sub-modules.)