emissivity of surface表面: surface; superficies; bounda ...放射: radiate; emit; blas; radiati ...率: rate; ratio; proportion表面放射性: surface-active compound表面放射性活度: surface activity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:表面放射率，即可在微信中查询翻译
