COD removal ratio

color removal ratio

Floating removal ratio

removal ratio

sulfur removal ratio

the removal ratio

the removal ratio of graphite

virus removal ratio

axial compression ratio and slenderness ratio

B-C ratio (benefit-cost ratio)

benefit-cost ratio (B-C ratio)

focal ratio (=focal-length ratio)

grinding ratio(G-ratio)

maximum ratio combing according to signal to noise ratio

recirculation ratio recycle ratio

recycle ratio recirculation ratio

signal-noise ratio (=signal-to-noise ratio =SNR)

stop ratio and start ratio in time segment

price--earnings ratio;P/E ratio