diffusern.扩散器；漫射体；扬声器纸盆；传播者diffusevt.扩散；散开；传播vi.弥漫；扩散adj.冗长的；四散的Diffuse hypertrophy弥漫性肥大diffuse sound field扩散声场diffused-meltback扩散反复熔炼法diffused guard ring扩散保护环diffuse information扩散信息diffused air supply扩散式空气补充diffuse waxy spleen[医] 弥漫性蜡样脾diffuse diffraction漫散衍射diffuser-absorber吸声扩散体diffuser efficiency扩压器效率

1. The direction of the emergent ray is then known, and the angle of deviation may be found.
   这样就得知出射光线的方向，从而可求得偏向角。