也就是这条反比曲线，撞到地球，也就是,这条线，那么和y的关系。
Right here near Earth, where this one-over-r curve hits the Earth, that is, of course, exactly that line.
机车轮缘的磨耗与线路曲线半径成反比，半径越小，轮缘磨耗越严重。
The wheel flange wear is in inverse proportion with the curve radius of the trunk line, i. e. the smaller the radius, the worse the wear.
应用推荐