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n.二次型；二次曲线（quadric的复数形式）
1、quadrans───n.方樱蛤属
2、quadricep───n.复合腿部训练机；四头肌肌肉
3、quadratics───n.二次方程式论（quadratic的复数形式）
4、quadrats───n.[生物]样方（生态调查的方形地）；嵌块（填空的铅块）；n.(Quadrat)人名；(法)卡德拉；(捷)夸德拉特
5、quadri-───pref.表示“四”
6、quadriceps───n.[解剖]四头肌
7、quadriga───n.四马二轮战车
8、quadric───adj.二次的；n.二次曲面
9、quadrigas───n.四马二轮战车
1、A compensation algorithm of image based on Gaussian quadrics fitting───基于二维高斯曲面拟合的图像灰度补偿算法
2、A Method for Simplifying Quadrics through Matrix Operations───一种通过矩阵运算化简二次型的方法
3、inverse dynamic method of manipulator and the Linear Quadrics (LQ) optimum control method are employed to investigate the problems of trajectory tracking and eliminating the remaining vibration.───机械臂逆动力学方法和线性二次型 (L Q)最优控制方法讨论刚柔性耦合机械臂的轨迹跟踪控制问题和消除残余振动的控制问题。
4、Seeking the Intersection Line between Two Quadrics by Cartography of the Ellipse Transform to Corresponding Circle and Analytic Method───椭圆变换为对应圆作图法及解析法求解二次曲面的相贯线
5、projection of the intersection of quadrics with common plane of symmetry on this plane is a curve of second order.───公共对称平面的二次曲面的交线在该平面上的投影为二次曲线。
6、Number of Orbits of Quadrics under Classical Groups over Finite Fields───有限域上典型群几何中二次曲面轨道的计数