释义 |
ducting
duct·ing D0414100 (dŭk′tĭng)n.1. A duct or system of ducts.2. Material for making ducts.ducting
ducting[′dək·tiŋ] (geophysics) An atmospheric condition in the troposphere in which temperature inversions cause microwave beams to refract up and down between two air layers, so that microwave signals travel 10 or more times farther than the normal line-of-sight limit. Also known as superrefraction; tropospheric ducting. MedicalSeeduct |