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。
The analysis shows that the nodes in the core area has a strong anti-cracking performance;
通过分析表明，节点核芯区具有很强的抗裂性能；
The analysis shows that the nodes in the core area has a strong anti-cracking performance;
通过分析表明，节点核芯区具有很强的抗裂性能；
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