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.
quadratic 英文释义
1. an equation in which the highest power of an unknown quantity is a square
2. a polynomial of the second degree
quadratic 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
quadratic 实用场景例句
a quadratic equation
二次方程式
牛津词典
Roger can solve quadratic equations as easy as falling off a log.
罗杰能轻而易举地解二次方程式.
期刊摘选
This paper uses an immune evolution strategy to solve quadratic assignment problems.
利用一种免疫进化策略算法来求解二次布局问题.
期刊摘选
Ability to apply advanced mathematical concepts as exponents, logarithms, quadratic equations, and permutations.
在工作中能运用高等数学概念,如指数, 对数, 二次方程式和排列.
期刊摘选
Parameters of the WADC are designed with linear quadratic ( LQ ) method in the identified model.
利用该 辨识方法 对受控系统进行辨识,在辨识结果的基础上运用线性二次型方法设计WADC的参数.
期刊摘选
Usually, x is a quadratic equation , x has two different solutions.
二次方程式通常都有两个不同的解.
期刊摘选
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.
辞典例句
Spatial variation was quantified using a quadratic regression model and a variogram model.
空间变异系藉巾二次回归模式及变异曲线谱模式而予数量化.
期刊摘选
Furthermore, the algorithm has local quadratic convergence under suitable assumptions.
在适当的假设下, 证明了该算法的局部二次收敛性.
期刊摘选
Next, the body weight dividing height's quadratic, the value which obtains is your healthy body weight.
其次, 将体重除以身高的二次方, 得出的数值便是你的健康体重.
期刊摘选
Interpolation Quadratic complete source code can be used directly.
二次插值完整的源代码可以直接使用.
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A model updating optimization algorithm under quadratic constraints is applied to structure dynamic model updating.
将二次约束优化方法应用于结构动力模型修正问题中.
期刊摘选
We completely solve the divisibility problem of class numbers a class of imaginary quadratic fields.
完整地解决了一类虚二次域类数的可除性问题.
期刊摘选
V indicates that quadratic term is significant at 15 % level.
表示该回归方程中的二次项仅达15%的显著水平.
期刊摘选
The current sequential quadratic programming ( SQP ) type algorithm may fail if the QP subproblem is infeasible.
