You can collect the data models by re-engineering and integrating source data models.

您可以通过重新构建和集成源数据模型来收集数据模型。

youdao

You might need to construct the source data models by using reverse engineering techniques, developing Entity and Relation (er) models from existing source databases.

您可能需要通过使用逆向工程(reverse engineering)技术构造源数据模型，从而从现有的源数据库中开发实体和关系(Entity and Relation, er)模型。

youdao

The title and bill of material in engineering drawings are important data source for product data integrated management.

工程图中的标题栏和明细栏是产品数据集中管理的重要数据来源。

youdao