As each point on the surface is being shaded the Sampler Info node determines the Facing Ratio value for that point.

在被着色表面上的每一个点上，采样信息节点决定这个点的分形比率。

youdao

Another sexually shaded comic highlight comes when Tomei and Lyonne (whose character, until this point, is virtually played like a teen-age Selma Diamond) break into a spontaneous dance that features Tomei's vibrator as a sort of stage prop.

CNN: Review: 'Slums of Beverly Hills' on-target with comic realism