The surface of the sun is a glowing gas envelope.

太阳的表面是一层炽热的气体层。

youdao

So the relationship among tool surface, tool envelope surface and designed surface are expressed explicitly.

此模型反映了刀具曲面、刀具包络面以及设计曲面三者之间的关系。

youdao

So the relationship among tool surface, tool envelope surface and designed surface are expressed explicitly.

此模型反映了刀具曲面、刀具包络面以及设计曲面三者之间的关系。

youdao