| 单词 | polycentric | 
| 释义 | pol·y·cen·tric   (pŏl′ē-sĕntrĭk) adj. 1.  Having many centers, especially of authority or control. 2.  Having several central parts, as a chromosome with multiple centromeres. n.  A polycentric chromosome. pol′y·centrism n. | 
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