ѿȸ ̿Ƽ ǰ ι Ȱ ܼƮȦ 濪籹 ÿ Ʋ 䱸ߴ. Ƿ , ι ɷ ߴ. û, δ 1988 ѿԴ ſ ι 7° ɽǿ Ѵ. ƽþȰ ¶ Ϸ 31 ι ߰ߵƴٴ ߱ ǰ ø ȿ ȣ鿡 Ǿ. 걸 ι ̱ п = 10 λ () ־ٰ . ȭ &39;ܱ (VR) ι и Ƽ 羾(ʫڦ) ϸ û ʿϴٰ (߲) Դ. 泲 ε ѿ 泲 ȿ NC ι Ȩ ݸƮ 濵ȴ. ι 112 ̽&39; ̹ȯ ؼҸ ¿ ȭ Ű Ǵ 72ð ȭش kt ġ.
±ر 11 ⸦ ü ι ִ յ Ȳǿ Դ ߴ. ƿ (OTT) Ʈ ȸ ι Ȳ . ȫǥ 1 95) 935) ι ø ϰ ̴ ÷̿ ߴ. 7 յ Ǿ ߿ . ֱ ǥ ұ ѱ(EBS1 밡 ް ó ι Ǹ, Ѵٰ . ȿ Ҿִ ι ʱ ⼱ ο Ѱ谡 ߴٰ ĿѴ. ܵ ȭ ι īƮ(ijġ1 ѳ = ѹα ߴ.