Second, representatives CBD urban core area of life stand;

代表CBD都市核心区的生活立场；

Guangdong province is the core area of pan-pearl rive delta.

广东是泛珠三角区域合作的主核心区。

It represents the emergence of the core area of Chinese culture.

它代表华夏文化核心区的出现。

The patch density of core area is smallest, next is the experimental area.

核心区的斑块密度最小，其次是实验区。

Core area of the gas is highly compressed to the density of water 150 times.

核心区的气体被极度压缩至水密度的150倍。