“立体的”造句

每个立体的矢径总是正值长度.
The radius vector of each solid is always a positive length.

可以这样说, 他把立体的形体放在头脑里.
He gets the solid shape, as it were, inside his head.

因此宫本你对立体的东西很有把握?
Miyamoto, therefore you are quite sure of the three - dimensional things?