Speed is the ratio of distance to time.

速度等于距离与时间之比。

youdao

The ratio in which this light decreases, is precisely the same as that of the terrestrial light illustrated above, viz., according to the square of the distance.

其减弱的比率，与我们在上文中所阐述过的地面光照随距离减弱的规律是一样的，也就是说，与距离的平方成正比。

youdao

Optical resolution is expressed as a ratio of the distance to the resolution spot divided by the diameter of the spot.

光分辨率是以距离到镭射点直径的比例关系来描述的。

youdao

But each of them, on the simpler measure of gross leverage - that unweighted ratio of loans to capital - was a nano-distance away from the cliff edge.

BBC: If banks are treated as naughty kids...