... refraction coefficient 折射系数 refractive index 折射率，折光指数 refractivity 折射系数；折射性 ...
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absolute refractive index [光] 绝对折射率 ; 绝对折射指数
differential refractive index detector [分化] 示差折光率检测器 ; 差示析光率检测器 ; 示差折光检测器 ; 差示折光检测器
refractive index detector [光] 折光率检测器 ; 示差折光检测器 ; 折射率检测器 ; 检测器
ordinary refractive index [光] 寻常折射率 ; 折射率
refractive index profile 折射率分布图 ; 折射率剖面 ; 折射率轮廓
for refractive index 测折光率用
principal refractive index 主折射率 ; 舟射率
refractive index modulation 折射率灯 ; 折射率调制
N a measure of the extent to which radiation is refracted on passing through the interface between two media. It is the ratio of the sine of the angle of incidence to the sine of the angle of refraction, which can be shown to be equal to the ratio of the phase speed in the first medium to that in the second. In the case of electromagnetic radiation, esp light, it is usual to give values of the absolute refractive index of a medium, that is for radiation entering the medium from free space 折射率 ( symbol: ν, symbol: μ) [physics]
The deceleration gives the new medium a different refractive index.
减速使新介质获得不同的折射率。
Light in the vicinity of the pulse is slowed more and more when the refractive index changes as the pulse passes by.
随着脉冲经过，折射率发生改变，靠近脉冲的光速度越来越慢。
Because shock waves represent a stark and sudden change in refractive index, they show up clearly in schlieren photographs.
因为冲击波反映了折射率的明显和突然的变化，他们能在纹影摄影中清楚地被展现出来。
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