cycloid

常見(jiàn)例句

And so, the cycloid is the trajectory of this moving point.
擺線(xiàn)就是這個(gè)運(yùn)動(dòng)點(diǎn)的軌跡。
So, if you wanted to know how long ; an arch of cycloid is, you have this nice-looking curve; how long is it?
如果你想知道一個(gè)擺線(xiàn)有多長(zhǎng),這是一條很漂亮的曲線(xiàn);,這有多長(zhǎng)？
A cycloid is something that you can actually see sometimes at night when people are biking If you have something that reflects light on the wheel.
實(shí)際上，你們可以在夜晚看到擺線(xiàn),如果有人騎著自行車(chē),輪子上又有反光的效果的話(huà)。