translate English to French: Equation 22 where:  di = difference between an RM value and the corresponding CEM system measurement for the ith test run (m/s or m3/s) RM = average gas velocity or flow rate, as measured by the reference method (m/s or m3/s) Acceptable results are as follows:
L'une des approches, de a à c, devrait être choisie en tenant compte des conditions de fonctionnement de l'unité de production pendant le trimestre.