wavelength

详细解释:n. 波长
【化】 波长
【医】 波长

英语解释：

名词 wavelength:

the distance (measured in the direction of propagation) between two points in the same phase in consecutive cycles of a wavea shared orientation leading to mutual understanding

例句：

The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength.发光效率一定波长的光量对同样波长的辐射光量的比例