spectral directional reflectance factor光谱: light spectrum; optical spec ...方向: direction; orientation反射: reflect因数: factor; coefficient光谱反射因数: spectral reflection factor下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:光谱方向反射因数,即可在微信中查询翻译