Study on Reciprocal Structure??Taking Rainbow Brides as Starting Point.

互承结构研究??以虹桥为出发点。

youdao

What he did was coined this. But he found that by taking the reciprocal of the wavelengths, you have four numbers, he took the reciprocals of those wavelengths and found that they fit a numerical sequence.

这些都是由他所做的一切得来的,但是他发现通过取波长的倒数，你有四个数字，他取了这些波长的倒数,发现它们构成了一个数列。

麻省理工公开课 - 固态化学导论课程节选