反転分布係数

はんてんぶんぷけいすう

noun

•

population inversion factor

反	anti-
転	revolve, turn around, change
分	part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100
布	linen, cloth, spread, distribute
係	person in charge, connection, duty, concern oneself
数	number, strength, fate, law, figures