图2 - 5：整合需求规范和系统测试的迭代。

Figure 2-5: Iteration with integrated requirement specification and system testing.

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利用现有卫生信息网络的资源，以国家计划免疫管理办法和技术规范为需求，研制免疫规划智能化网络信息系统。

According to national immunization management measure and technique norm and current health resource, the network intelligent management system on immunization program was developed.

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分析环境地质空间数据库信息内容组成特点和用户实际需求，遵循软件工程规范要求，采用面向对象程序设计思想进行系统设计。

This paper analyses the environment geological space database information content characteristic and the demand of user. Followed the demand of soft project standard, software is design based on OOP.

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