友情提醒：点击
，可以收听真人发音
，可以收听真人发音 
小测验：选择正确的单词
- 论坛新贴
quadratic [kwə'drætik]
基本释义
- a. 二次的
n. 二次方程式,二次方程式论
词形变化
- 名 词：quad·rat'ic副 词：quad·rat'i·cal·ly
常用短语
- quadratic equation
二次方程，二次方程式 - quadratic polynomial
二次多项式
- quadratic equation
英英解释
2个名词解释
- an equation in which the highest power of an unknown quantity is a square
[同] quadratic, quadratic equation - a polynomial of the second degree
[同] quadratic, quadratic polynomial
2个形容词解释
- of or relating to or resembling a square
[例]- quadratic shapes
- of or relating to the second power
[例]- quadratic equation
- an equation in which the highest power of an unknown quantity is a square