Data model is one of the central activities in the research of spatiotemporal database.
时空数据模型是时空数据库的研究重点之一。
Massive spatiotemporal data organization in new generation GIS platform is a key technique.
海量时空数据组织是下一代GIS平台所要解决的关键技术。
Objective:To investigate spatiotemporal expression of ADAM28 in mouse tooth germ development.
目的：研究ADAM28在小鼠牙胚发育中的时空分布。
Third, research the spatiotemporal difference of the local administrative organizations and its performance.
对宋代地方行政组织及其运作的时间和空间差异的研究。
Third, research the spatiotemporal difference of the local administrative organizations and its performance.
对宋代地方行政组织及其运作的时间和空间差异的研究。
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