what is this mean?

A terrestrial globe is a three-dimensional scale model of Earth (or other planets)通常是指 立體的地球儀。
It is different from a celestial globe which is a spherical model of the heavens showing the positions of the stars in the sky, 有別於表示太空天體位置的球形模型。

因為您只是給了這個名稱，沒有前後句，應該是指地球儀