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biquadratic parabola 四次抛物线
That leads to biquadratic equations for solution. 它们又引出待解的双二次方程。
A Novel Voltage Mode Universal Biquadratic Filter. 新颖的电压模式通用双二阶滤波器。
Static oxidation curve is basically parabola. 静态氧化曲线基本遵循抛物线规律。
The plane should follow the parabola. 飞机须沿抛物线运动。
Of or having the form of a parabola or paraboloid. 抛物线或抛物面的或有其形状的
A parabola interpolation is used to reduce the measurement error. 采用抛物线插值计算互相关函数峰值,减少测量误差。
The life is a parabola,it will decline when it reached the vertex. 人生就是一条抛物线，当它到达顶点时，衰落的时刻也就随之到来了！！！看人生，与世无争！！！
And the trace programme of a line ,a arc and a parabola is established. 并编制了直线、圆弧和抛物线的轨迹程序。
That's because you have a goal, and your parabola is directed upwards. 因为你的目标，你的抛物线是往上的。
Using the equation of parabola, we obtain for the sheer stresses at any point in the plate. 应用抛物线方程，即可得到板内任意点的剪应力。
The departure leg would be the mirror image of the inbound path (a hyperbola or parabola). 离开的路径会是进来路径的镜像，呈现双曲线或是抛物线的图形。
The global topological structure of the homogeneous biquadratic systems is discussed and thier coefficient conditions are given. 讨论了一类齐四次系统的全局结构，并给出了它们的系数条件。
Parametric biquadratic equation whose roots are characteristic wave numbers is obtained after setting the determinant of eigen matrix to zero. 特征波数的计算涉及到张量运算、矩阵运算、公式化简等。
The approximation of the parabolic integro-differential equations is studied with anisotropic biquadratic finite element. 摘要研究具有各向异性特征的双二次元对抛物积分微分方程进行了逼近。
In this paper, the approximation of the second order parabolic equation is studied with the anisotropic biquadratic element. 摘要本文研究具有各向异性特征的双二次元对二阶抛物方程的逼近。
Soviet poet whose collections of verse include Parabola(1960)and The Triangular Pear(1962). 沃兹涅先斯基，安德烈生于1933苏联诗人，其诗集包括抛物线（1960年）和三角梨（1962年）
Machining test, including turning rotary ellipse and rotary parabola, agrees well with researched conclusion. 结合研究的成果,完成了对旋转椭球面和旋转抛物面等非球面工件的加工工艺实验。
The main contents and contributions include: 1) On basis of the defined biorthogonality, we propose several biquadratic cost functions for array-signal blind separation. 主要的研究内容和成果包括以下几个方面：1）利用定义双正交原理提出提出了多种用于阵列信号盲分离双二次代价函数。
The basic principle of biquadratic delay equalizer is analyzed, circuit structure of equalizer and the reaults of computer simulation are described in this paper. 本文详细分析了双二次迟延均衡器的基本原理，提出了实现迟延均衡器的电路结构，并给出了电路的计算机模拟结果。