摆线具有严格的等时摆。
Ok, so that's what the cycloid looks like.这就是摆线了。
Let's take, so, it's a famous curve called a cycloid.来看看一条著名的曲线——摆线。
So, if you wanted to know how long; an arch of cycloid is, you have this nice-looking curve; how long is it?如果你想知道一个摆线有多长,这是一条很漂亮的曲线,这有多长?
Let's take, so, it's a famous curve called a cycloid.来看看一条著名的曲线——摆线。
The actual cylinder shaped conductor is isometric curve of double arc outside cycloid and its mathematic expression was deduced.缸体的实际型线是双弧外摆线的等距曲线,并由此导出其数学表达式。