quadratic
英 [kwɒ'drætɪk]
美 [kwɑ'drætɪk]
助记提示
1. so called because they involve the square of x.
2. 由正方形面积所表示的平方而引申出的这个含义。
双语例句
- 1. Every function whose derivative is linear is a quadratic function.
- 任意一个导数为线性函数的函数都是二次函数.
来自辞典例句
- 2. This is usually a much stronger requirement than quadratic integrability.
- 这通常是一个比平方可积更强的要求.
来自辞典例句
- 3. The quadratic aperture of the cat's - eye diaphragm is imaged too large.
- 猫眼光栏的方形光孔成象太大.
来自辞典例句
- 4. Some quadratic equations have no real roots.
- 某些二次方程没有实数根.
来自辞典例句
- 5. Their difference is a quadratic residue of 17.
- 它们的差是17的平方剩余.
来自辞典例句
