| 单词 | diameter | 
| 释义 | DiameterThe distance from one point on a circle through the center to another point on the circle. It is also the longest distance across the circle. And it is twice the radius.  | 
	
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数学辞典收录了1200条数学词条,基本涵盖了常用数学知识及数学英语单词词组的翻译及用法,是数学学习的有利工具。