оڵ ǰ
ǰ η ڵ ǰ ǰǰ ϰ ֽϴ.
н(hi-pass) ӵο ᵵ Ḧ ʿ ֵ ϴ ý մϴ. DSRC(Dedicated Short-Range Communication, ٰŸ ) Ͽ ܸ ݼ Ḧ ڵ ְ մϴ.