Newton’s lens equation

Lens Model Equation

corneal lens lens

(2+1) dimensional shallow water wave equation equation

corneal lens（lenses） lens

Lens-to-lens interval

object lens objective lens

objective lens object lens

plane-concave lens (=plano-concave lens)

plane-convex lens (=plano lens)

short focal length lens (=short-focus lens)

variable focus lens vari-focus lens

vari-focus lens variable focus lens

BET equation (=Brusauer-Emmett- Teller equation)

coupled technique between Navier-Stokes equation and bio-heat equation

Fisher equation and Burgers-Fisher equation

Korteweg-de Vries equation (=KdV equation)

Maxwell-Bloch equation(M-B equation)

rate equation and light propa- gation equation