This concept of being simply connected or not, and studying which loops bound surfaces or not can be used to classify shapes of things inside space.

单连通和非单连通的概念，研究哪些环路能界定曲面，可以用来对空间内部物体的形状进行分类。

youdao

He knows we defend with only one midfield player in front of two central defenders, he knows the importance of defending well the inside space.

他知道我们现在只依靠一个中场球员和两个中卫进行防守，他知道在边路防守的重要性。

youdao

And sunlight and a wind are going through the stay location of the person while a shell's different in the size connecting inside space and outside space complicatedly.

阳光和风穿过人停留的位置，同时，不同尺寸的外壳链接了复杂的室内外空间。

youdao

But the inside space of the museum will have links to traditional Chinese architecture.

VOA: special.2009.05.06

Everything fits inside a space that's about 10cm high and 19cm in diameter.

ENGADGET

And Tracy Caldwell Dyson, who lived aboard the station for 174 days in 2010, pops up a few different times lip synching from inside a space capsule.

MSN: NASA does it 'Gangnam Style' in Johnson Space Center video

Magnificent Obsession was the first book I gave to my business partner, Dave Elkington, when together we started InsideSales.com, the leading cloud computing player in the inside sales space.

FORBES: 2 Books that Changed Everything I Know About Success: Les Miserables and Magnificent Obsession