单词：center of origin
center of origin的用法和样例：
例句
- The study also concludes that with the impact of India and Asia, a second center of origin was established for Asia.研究认为，印度和亚洲的碰撞，确立为亚洲的第二起源中心。
- China is the world center of buckwheat?origin and genetic diversity.Fagopyrum dibotrys.中国是世界荞麦的起源中心，也是遗传多样性中心。
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