| 释义 |
rational formula
rational formula[′rash·ən·əl ′fōr·myə·lə] (hydrology) The expression of peak discharge as equal to the product of rainfall, drainage area, and a runoff coefficient depending on drainage-basin characteristics. rational formula
ra·tion·al for·mu·lachemistry a formula that indicates the constitution as well as the composition of a substance.ra·tion·al for·mu·la (rash'ŭn-ăl fōrm'yū-lă) chemistry a formula that indicates the constitution as well as the composition of a substance. |