作者: Takeshi Ishii
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摘要: A reflector for a vehicle can include plurality of retroreflective elements configured to retroreflect incident light parallel horizontally-arranged reference axis, obliquely upward at prescribed angle with respect the axis. The each include: first reflection surface inclined an ANG 1 axis; second 2 and formed in position reached after is rotated from through ROT around axis as center; third 3 center direction opposite surface, surfaces arranged so form corners substantial cube, wherein condition following expressions satisfied: 2> ; 1> 120 degrees.