Optic approximation inversion method
stationary state approximation; steady state approximation
steady state approximation; stationary state approximation
(distorted)-wave Born approximation
16-moment approximation
accelerated stochastic approximation
accuracy of approximation
acoustic synthesis approximation
Adaptive Cross Approximation
adiabatic approximation
adiabatic approximation in statistical mechanics
adiabatic variational approximation
adjusted mean approximation
Advertising appropriation
Aesthetic Appreciation of Architecture
aesthetic appreciation of map