Some biologists hypothesize that a plant will stop growing if it's in the shade of another plant, a reaction that's triggered when it senses an unusual ratio of red light to far-red light.
⇑ Translate the sentence above by Google ⇑
Related: ratio
Prev: Their targets, including profitability ratios, solvency ratios, asset management ratios.
Next: The ratio of signal to noise (S/N) is greatly improved through the phase sensitivity detection.