pythagorean theorem 隐藏摘要 
勾股定理
勾股定理 pythagorean theorem
http://www.mybuyer.net/globaltrip.php/category/globaltrip.php/item/maths-english-word/category/globaltrip.php/member/zdhmp3/category/globaltrip.php/catid/22 - 基于207个网页
毕氏定理
Pythagorean proposition 勾股定理
pythagorean theorem 毕氏定理
Pythagorean 毕达哥拉斯的
http://www.ebigear.com/newstext-481-56706.html - 基于20个网页
勾股定理(毕达哥拉斯定理)
perpendicular 垂直?
pythagorean theorem 勾股定理(毕达哥拉斯定理)?
congruent 全等的?
http://tieba.baidu.com/f?kz=85925622 - 基于2个网页
畢氏定理
成比例 proportion/proportionality
畢氏定理 pythagorean theorem
比 ratio
http://www.wikilib.com/wiki/Wikipedia:%E4%BC%A0%E7%BB%9F%E7%99%BE%E7%A7%91%E5%85%A8%E4%B9%A6%E6%9D%A1%E7%9B%AE/%E5%A4%A7%E8%8B%B1%E7%AE%80%E6%98%8E%E7%99%BE%E7%A7%91/%E6%95%B0%E5%AD%A6 - 基于2个网页
  相关词条
the pythagorean theorem