"抛物线"是个多义词,它可以指抛物线(圆锥曲线之一),抛物线(蔡健雅歌曲)。
SAR(Stop and Reverse)又名抛物线(Parabolic)是韦尔达体系中最轻便的分析东西,属于时间与价格并重的体系,因为组成该指标的每1个点以弧线移动,故名之为抛物线。
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Then the line, the arc and the parabola are adopted to form a fitted curve. Finally, the curved face is aggregated by each curve.
对于二轴联动的数控加工中心,实现加工曲面的方式一般是采用球头铣刀,通过把曲面剖切成平行于某轴的平面曲线,再用直线、圆弧、抛物线去拟合该平面曲线,最终对每一条曲线加工集合成曲面。
参考来源 - TH5632C 型立式加工中心曲面加工计算机辅助编程·2,447,543篇论文数据,部分数据来源于NoteExpress
我们得到一条在一个方向上向下,而在另一个方向上向上的抛物线。
We have a parabola going downwards in one direction, and upwards in the other one.
建筑物采用了倾斜的抛物线屋顶。
这是个抛物线,它完全是对称的
You can choose a linear interpolation or quadratic, but you've got to choose it.
你可以选择线性插值或抛物线型插值,但你总要做出选择。
Then he knows it's going to go up, it's going to curve, follow some kind of parabola, then his hands go there to receive it.
所以他就知道,这颗糖会先向上,再向下,沿着某条抛物线运动,然后他就能判断在哪里接住糖
Now there many ways I can connect these two points together. The simplest way is to draw a straight line. It's called the linear interpolation. My line is not so straight, right here. You could do a different kind of line.
最简单的办法是,像这样画一条直线,这叫线性插值,不过我的这条线画得不太直,你也可以用别的办法,比如一条抛物线。
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