reflectivity

名词 reflectivity:

1. the fraction of radiant energy that is reflected from a surface
   同义词：coefficient of reflection, reflection factor, reflectance
2. the ability to reflect beams or rays
   同义词：reflection, reflexion
3. the capability of quiet thought or contemplation
   同义词：reflectiveness

re.flec.tiv.i.ty

n.（名词）
【复数】 re.flec.tiv.i.ties
The quality of being reflective.
反射的性质
The ability to reflect.
反射的能力
Physics The ratio of the intensity of a wave reflected from a surface to the energy possessed by the wave striking the surface.
【物理学】 反射比：从表面上反射回的波的强度与射到表面上的波所含能量的比率