In algebra, a quadratic function is represented by a parabola.

在代数中，二次函数用抛物线表示。

Q and I presents quadratic function relation.

而流量与电极电流成二次函数关系。

They hardly use quadratic function symmetry flexibly;

对二次函数对称性的应用不够灵活；

The generation cost can be represented by quadratic function of generated energy.

发电商的发电成本可以通过发电量的二次函数来表示。

The relationship of LAI and AB could be stated with a quadratic function.

同时，叶面积指数与地上生物量之间有二次函数的拟合关系。

The concavity and convexity of the pluralistic quadratic function is discussed with quadratic form and simple methods are given to recognize concavity and convexity .

利用二次型理论讨论了多元二次函数的凹凸性，并给出了判别凹凸性的简便方法。

The design method of torque converter blade based on quadratic function distribution momentum was put forward.

提出了基于二次函数环量分配的液力变矩器叶片设计方法,并给出了应用实例.

When the pipeline length and diameter ratio was certain, the flame travel speed of gas explosion and ignition energy would be in a quadratic function relationship.

在管道长径比一定时，瓦斯爆炸火焰传播速度与点火能量呈二次函数关系。

The cost function of the systems is given in terms of integral quadratic function including both index exponent and failure controls.

系统的性能函数是含有指数项和故障输入项的积分二次型函数。

A flexible fixed-cost quadratic function is employed to estimate multiple-outputs cost functions and calculate economies of scale and scope for Chinese universities in the year 1999-2001.

以此为前提，本研究利用多产出可变固定成本二次型函数，集中分析了高校在扩招过程中所展示出来的规模经济和范围经济现象。