polychromatic transmittance多: many; much; more色: colour率: rate; ratio; proportion单色透过率: monochromatic transmittance透过率: degree of transparency; transmittance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:多色透过率，即可在微信中查询翻译
