| 单词 | hypotrochoid | 
| 释义 | hypotrochoid [¦hī·pō`trō´kȯid]  MATHEMATICS A curve traced by a point rigidly attached to a circle at a point other than the center when the circle rolls without slipping on the inside of a fixed circle.  | 
	
| 随便看 | 
	
  | 
	
科学参考收录了103327条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。