平方反比律 píng fāng fǎn bǐ lǜ

DEFINITIONS

  1. inverse square law (physics)

CHARACTERS

平 píng flat, level, even; peaceful
方 fāng a square, rectangle; a region; local
反 fǎn reverse, opposite, contrary, anti
比 bǐ to compare, liken; comparison; than
律 lǜ statute, principle, regulation