coefficient of reflection英 [ˌkəʊɪˈfɪʃnt ɒv rɪˈflekʃn]美 [ˌkoʊɪˈfɪʃnt əv rɪˈflekʃn]网络 反射系数英英释义nounthe fraction of radiant energy that is reflected from a surfaceSynonym:reflection factorreflectancereflectivity双语例句