[ ڵ] Ʋ ¼. 2 11 20 2.3% 5400 ŷǰ ִ.
ַ ϴ ʹ ۽ǻ(PC) ִ CD-ROM DVD ǰ̴. ȸ ǻͿ ʹ 2010 50% 1 ϰ ִ. Ǹϴ ǰ ߱, ʸ Ȯ , ȭ µ ̰ ִ.
ֱ Ʈ ȮǴ PC 䰡 ϸ鼭 ۳ Ÿ´. 2010 10% 1283 ߴ. 58% پ 55, 44% 57 ƴ.
, ְڻ(PBR) 0.7 5 ġ 1.2躸 42% ̴. 10Ⱓ 5Ⱓ ִġ 1.6, ġ 0.5.
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