Furthermore, we research correlative database theory from every idiographic tache of the digitization modeling.
从数字化建模的每个具体环节研究了其相关数据库的理论。
To the complication of the parts information, this thesis builds the correlative data structure of the part information through utilizing the technique of relation database.
针对零件信息的复杂性,充分利用关系型数据库技术,建立相关的零件信息数据结构。
The correlative data was selected from the established database of agricultural resources and environment, and the soil erosion risk was quantified by using RUSLE model.
采用RUSLE模型,从建立的河北省农业资源环境数据库中提取相关数据,对河北省土壤侵蚀风险进行定量化评价。
应用推荐