提出了基于六边形格网的三叶节点管理与瓦片编码的基本思路，确立了球面不同实体的六边形格网表达模式。

The essential clew of managing the three leaves nodes and tiles code is put forward based on hexagonal grid, and the hexagonal grid expression modes of different spherical entities are established.

youdao

提出了基于六边形格网的三叶节点管理与瓦片编码的基本思路，确立了球面不同实体的六边形格网表达模式。

The essential clew of managing the three leaves nodes and tiles code is put forward based on hexagonal grid, and the hexagonal grid expression modes of different spherical entities are established.

youdao