ܱ ̹ ε ݺḦ ֳ?
輺 οͻ ļ
, ܱ ̹ ݺḦ ֽϴ.οݿ Ͽ Ͻ ᰡ ֿ Ͻðų ֱ(ӽ Ǵ Ǻ ֱ ) Ͽ ܷ 翡 û(ؿ û )Ͻø ݺḦ Ͻñ ֽϴ. ϴ. û(湮, Ȩ ) ź(÷ ), θ (¹ȣ ÷ ), () ʿմϴ. ü û ÿ 1 ̳ ǥ ⱹ ϴ մϴ. ֿ(PR) ߱ 쿡 ֿ(PR) 纻, PR ߱ ʾ ֱ ֱ 纻(ӽ Ǻοֱ) ܱεϺ ϸ ˴ϴ.