nozzle expansion area ratio
air to surface area ratio
anode-to-cathode area ratio
area ratio between wall and window
area ratio of combustion chamber passage
area ratio of outside to inside crevice
area ratio of picked speckles
area ratio of regeneration to dehumidification
area ratio of rudder to profile
area ratio of window to envelope
Area ratio of Window to wall
area ratio of windows and wall
area, area side trapezoid