The main function characteristics and application of technical information management system railway mechanical dynamics equipment are introduced.
介绍了铁路机械动力设备技术信息管理系统的组成、主要功能、特点及应用效果。
A definition of data updating of forest resource management information system is given after describing a general process of forest dynamics.
在描述一般森林资源动态过程的基础上，定义了数据更新。
A definition of data updating of forest resource management information system is given after describing a general process of forest dynamics.
在描述一般森林资源动态过程的基础上，定义了数据更新。
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