29. Ok, so let me move on a bit and point out that with parametric equations, we've looked also at things like velocity and acceleration.
再来深入研究一下参数方程,我们以前还学过速度和加速度的。
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30. In addition, you can code geometric algorithms that draw shapes like splines, nonuniform rational B-splines (NURBs), and parametric curves.
此外,还可以编写绘制样条曲线(spline)、非均匀有理b样条曲线(nonuniformrational B - spline,NURB)和参数曲线(parametric curve)等形状的几何算法。
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用作形容词 (adj.)
How to express feature modeling and decide geometric drawing parametry is key technology of parts parametric feature modeling design. 如何实现特征模型的表达和几何图形参数的确定是零件参数化特征造型设计的关键技术。
Parametric rolling is a kind of the resonance phenomena of ship motions, caused by the periodical fluctuations of stability parameters of ships in waves. 参数横摇是指船舶在波浪中由于自身系统中稳性参数的周期性变化所引起的船体梁横摇共振运动现象。