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- 二次C-曲线研究The Study of Quadric C-Curves
- 二次C-曲线quadric C-curve
- 二two
- 四次C-B样条曲线quartic C-B spline curve
- 二次adratic quadrate
- 四次C-Bézier曲线quartic C-Bézier curve
- 黄花夹竹桃次Ctheveneriin
- 二次曲线conic
- 黄夹次苷C，黄花夹竹桃次Ctheveneriin
- 二次电子衬度曲线法研究PVC/MBS共混物断面的分形特征FRACTAL CHACTERISTICS OF FRACTURE SURFACES OF PVC/MBS BLENDS BY MEANS OF THE SECONDARY ELECTRON LINE METHOD
- 二次曲线与其任意两条切线所围面积为定常值的问题研究ON THE PROBLEM THAT THE AREA OF A CURVE OF SECOND DEGREE WITH ITS TWO TANGENTS IS CONSTANT
- 二次曲线心centre of conic section
- 密切二次曲线osculating conic
- 超密切二次曲线superosculating conic
- 平面二次曲线plane quadratic curve
- 二次曲线的心centre of a conic
- 二次曲线的轴axis of a conic
- 二次曲线束pencil of curves of the second order
- 同心二次曲线concentric conics
- 卫星二次曲线satellite conic
