| 释义 |
snell's law
\ˈsnelz-\ noun
Usage: usually capitalized S
Etymology: after Willebrord Snell van Royen (Willebrord Snellius) died 1626 Dutch mathematician
: a law in physics: the ratio of the sines of the angles of incidence and refraction is constant for all incidences in any given pair of media for electromagnetic waves of a definite frequency |