- 穴(row; gap)
- 工(craftsman; work)
An empty cave with nothing inside is just hollow space.
Riemannian space (physics)
Riemann space is an important mathematical concept.
Riemannian space (physics)
Riemann space is an important mathematical concept.
An empty cave with nothing inside is just hollow space.
A beam of sunlight shining through a crack in the door creates the empty space in between.
An empty cave with nothing inside is just hollow space.
A beam of sunlight shining through a crack in the door creates the empty space in between.
Riemannian space (physics)
Riemannian space (physics)
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