contribution ratio of source rock

air to water ratio

Day to day ratio

performance to price ratio

carbon to nitrogen ratio

air to surface area ratio

acid to alkali ratio

Area ratio of Window to wall

amplitude to period ratio

High Ratio of Height to Thickness

low ratio of polymer to cement

binder to water ratio

leaf to fruit ratio

depth to width ratio

height to diameter ratio

Low Ratio of Height to Diameter

Feed to gain ratio

optimizing ratio of air to fuel

a ratio of height to thick

feed to egg ratio