quadratic是什么意思_quadratic怎么读_中英文释义(含例句用法)

quadratic (adj.): 1650s, "square," with -ic + obsolete quadrate "a square; a group of four things" (late 14c.), from Latin quadratum, noun use of neuter adjective quadratus "square, squared," past participle of quadrare "to square, set in order, complete" (see quadrant). Quadratic equations (1660s) so called because they involve the square of x.

词态变化

权威造句

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.

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.

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.

4. Some quadratic equations have no real roots.: 某些二次方程没有实数根.

5. Their difference is a quadratic residue of 17.: 它们的差是17的平方剩余.

近反义词

quadratic equation 二次方程

quadratic form 方形,二次齐式...

quadratic differential 二次微分

quadratic interpolation 二次插值法

quadratic term 二次项,平方项...

quadratic residue 二次剩余

quadratic mean 均方值

quadratic congruence 二次线汇

quadratic convergence 二次收敛

quadratic damping 按平方律衰减...

quadratic error 二次误差

quadratic inequality 二次不等式

quadratic potentiometer 平方电位计

quadratic programming 二次最优化,二次规划...

quadratic variation 二次变分

quadratic curve 二次方曲线

quadratic system 正方晶系

quadratic approximation 二次逼近

quadratic component 二次方分量,平方项,...

相似短语

quadratic damping 按平方律衰减

quadratic variation 二次变分

quadratic nonlinearity 二次非线性

quadratic potentiometer 平方电位计

quadratic term 平方项，二次项

quadratic discriminator 二次判别器

quadratic extension 二次扩张

quadratic field 二次域

quadratic loop 平方环

quadratic average 二次平均，二次平均值

单词分析

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记忆方法

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。

quadratic是什么意思，quadratic怎么读

quadratic基本信息

英英释义

中英词源