实际: reality; practice发光度: luminosity; luminance; radia ...国际发光率: international luminosity factor发光度: [光学] luminosity; luminance; radiance; luminous emittance实际发病率: true incidence实际发动机: actual engine; engine hardware实际发酵: real attenuation实际发酵度: real degree of attenuation实际发射。: live firing实际发送人: actual sender实际发行额: actually outstanding实际发芽率: practical germination percent亮度 发光度 光度: luminosity实际发生时间: real time实际发运日期: actual date of despatch; an actual date of dispatch发光体发光度: luminosity比发光度: specific luminosity发光度,亮度: luminosity发光度标: luminosity cscale发光度函数: luminosity function; spectral luminous efficiency; visibility function发光度盘: luminosity scale发光度响应: luminosity response发光度因数: luminosity factor光谱发光度: spectral emittance绝对发光度: absolute luminosity