由于其海量和非结构化等特征，实体对象层次模型、群集多服务器体系被提出用以集成并实施高效的空间数据管理。

Because it's massive and unstructured, Feature-Oriented Object Level (FOOL) and Multi-servers cluster system are used to integrate and manage spatial data effectively.

youdao

BBML以ESCP模型为基础进行CGF实体对象建模，可以灵活地构造实体在各个层次等级上的行为。

On the base of behavior model ESCP, the thesis present a CGF behavior modeling language named BBML. With BBML we can construct CGF entity and entity' behavior at different levels easily.

youdao