求翻译：该项目是为中信证券经纪业务部门开发的，根据业务部门提供的相关文档，项目体系架构分为ODS层、EDW层、DDW层以及为了前台展现而设计的APP层。各个层数据的采集都为日终数据，其中ODS层作为源数据系统，整个项目数据源的采集由其提供；EDW层作为中间层，其数据模型设计的原理是存放一些经过需求分析和数据分析的当前以及历史的数据，DDW层为汇总层，其模型的设计根据客户提供的前台的报表展示而设计的，前台报表的展示采用的是BO工具。是什么意思？

The project is the development of CITIC Securities Brokerage, according to the documentation provided by the business sector, the project architecture is divided into the the ods layer, the the edw layer, the the ddw layer and the front to show app layer. The various layers of data collection to fin

The project is in the securities brokerage sector development, according to the business sector, the documentation project architecture is divided into ODS EDW layer, layer, layer, as well as to the reception DDW demonstrated APP designed layer. Each of these layers is the collection of data on the

CITIC securities brokerage business development the project is, according to the documentation provided by the business sect