内联功能可以显著减小区域索引的大小，因为内联文档不需要任何区域索引条目。

Inlining can reduce the size of the regions index dramatically since inlined documents do not require any regions index entries.

youdao

由于建立了区域索引表，所以在查询时不必遍历所有的数据，提高了查询速度和效率。

Since regional index form is built, it is not necessary to go through all the data in inquiry. Inquiry speed and efficiency will be increased.

youdao

对这个圆形区域创建一个函数索引。

Create a functional index on the area of the circle.

youdao