平方根

píng fāng gēn

释义

1. square root

平方根 的构成词

• 平 píng: flat
• 平方 píng fāng: square (as in square foot, square mile, square root)
• 方 fāng: square
• 根 gēn: root
• 方根 fāng gēn: (math.) root (as in \fourth root (∜)\, 4次方根[sì cì fāng gēn])