1) multi-dimensional spatial relation
混合维空间关系
2) Protection of Spatial Relations
空间关系维护
3) 3D spatial relations
三维空间关系
1.
This paper first lists the functions that3D GIS should implement ,and then discusses the main developments in3D GIS from five aspects which are3D data acquisition,3D spatial data model,3D spatial relations,3D visualization and3D spatial analysis.
该文首先分析了三维GIS应实现的功能,然后从三维数据获取、三维空间数据模型、三维空间关系的描述和表达、三维可视化和三维空间分析等几个方面评述了三维GIS的研究进展。
6) spatial mixing
空间混合
1.
A new dynamic mixer with the structure of striped channels is introduced, which can realize spatial mixing of melt materials because of its function of exerting shear, stripping and distributing melt flow.
该混合器对熔体物料具有剪切、剥离、分流等作用,实现了对熔体物料的空间混合。
补充资料：经济关系(见生产关系)
经济关系(见生产关系)
economical relation
1 ingji gU口nxj经济关系(eeonomieal relation)系。见生产关
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条