三个表用等值连接谓词连接。

The three tables are joined with equal join predicates.

youdao

这个表像这样用的：首先观察角块三色的方向。

First take a look at the orientation of the corners.

youdao

这个表像这样用的：首先观察角块三色的方向。

First take a look at the orientation of the corners.

youdao