Read Edit View history 反散射 fǎnsǎnshè backscatter Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 反散射 · fǎnsǎnshè · backscatter 2026/03/04 反散射 fǎnsǎnshè backscatter backscatter 科学家利用激光反散射来测量大气密度。 created sense Mar 4, 2026, 02:25 AM