背はい景けい反はん射しゃ率りつMeaningsNoun1. background reflectanceKanji used背back of the body景scenery反be against射shoot率ratioComposed of背はい景けいbackground; scenery; backdrop; setting; background (of an incident, situation, etc.); circumstances; context; backing; support (from behind the scenes)Noun反はん射しゃreflection; reverberation; reflex; reflexesNoun率りつrate; ratio; proportion; percentageNoun