这是图案的中心圈。
The central circle represents a conceptual topic (such as Security), which
中央的圆圈代表概念题目（例如Security），它
The central city plays an important part during the evolution process of metropolitan circle.
在都市圈的演化过程中，中心城市起着非常重要的作用。
Commonly known as "Chinese cultural circle," Confucianism in playing a central role.
一般称之为“中国文化圈”，儒家思想在其中发挥着核心作用。
Commonly known as "Chinese cultural circle," Confucianism in playing a central role.
一般称之为“中国文化圈”，儒家思想在其中发挥着核心作用。
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