transmittivity
美 [trænzmɪ'tɪvɪtɪ]
英 [trænzmɪ'tɪvɪtɪ] 
英汉解释
例句
Increasing the number of periods, the transmittivity is reduced and the reflective spectrum is flatter near the reflective wavelength.
随着光栅周期数的不断增多,其在反射波长处的透射率不断减小,谱线趋于平坦;
Study on crystal growth and transmittivity of large-size KBr
大尺寸KBr晶体生长及光透过性能的研究