单词	背向反射
释义	背向反射back reflection背向反射Backreflection
随便看	qualitative interpretation qualitative investigation qualitative--investigation qualitatively qualitative map qualitative market analysis qualitative measurement qualitative method qualitative model qualitative negotiation qualitative observation qualitative operational requirement qualitative operational requirement，qor qualitative percussion qualitative physics qualitative psychology qualitative-quantitative method qualitative reaction qualitative reasoning qualitative relation qualitative requirement information qualitative requirement information，qri qualitative research qualitative scheme qualitative series