本文提出了基于状态-事件的时空数据模型，并系统阐述各时空数据模型之间的相互转换条件。

In this paper, a new spatial-temporal data model based on state-event is presented, and the qualifications for conversion between spatial-temporal data models are analyzed.

youdao

本文提出了基于状态-事件的时空数据模型，并系统阐述各时空数据模型之间的相互转换条件。

In this paper, a new spatial-temporal data model based on state-event is presented, and the qualifications for conversion between spatial-temporal data models are analyzed.

youdao