| 释义 |
upper mixing layer upper mixing layer[′əp·ər ′miks·iŋ ‚lā·ər] (meteorology) The region of the upper mesophere between about 30 and 50 miles (50 and 80 kilometers; that is, immediately above the mesopeak) through which there is a rapid decrease of temperature with height and where there appears to be considerable turbulence. |