其次，对子系统设计与实现进行详细的阐述，综合业务子系统主要包括基础数据录入、数据维护和报表管理。

Secondly, design and implementation of the subsystem is described in detail. Comprehensive services subsystem is mainly used for basic data entry, data maintenance and reporting management.

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在数据分层的基础上，DTGMS分为维护层和工作层，分别从事元数据及系统维护和状态数据处理功能。

Based on the layers of data, the DTGMS consists of maintaining layer and working layer, which fulfill the maintenance of metadata and system, and processing of status data, respectively.

youdao

在数据分层的基础上，DTGMS分为维护层和工作层，分别从事元数据及系统维护和状态数据处理功能。

Based on the layers of data, the DTGMS consists of maintaining layer and working layer, which fulfill the maintenance of metadata and system, and processing of status data, respectively.

youdao