δ ȯ κ ǰ ǰ Ϲ Ǹš ϵ ϰ ִ.
ֱ θ ȫ ǰ ó ϰų, Ǹ Ǵ ڰ ǰǰ Ƿ ҹ Ǹšϴ ʰ ϸ鼭 ϼ ʰ Ÿ ִ.
ҹǰ Ǹ ϼ 76 2 ¡ Ǵ 2õ ΰϸ, ҹǰ ϼ 80 100 ·Ḧ ΰѴٴ ħ̴.
Ǹš ǰ ڰ Ƿ ü Ĺ 20% ̸ Ǵ 80% ̻ ȸؾ ϸ, νκ ǰ ƾ Ѵ.
Ư 80% ϴ 2 ó (Ÿ )Ǵ ǰ Ż ϰ ۵ ǰ ҹ̸, ڼ Ǹš ǰ Ȳ ѱϼȸ Ȯ ִ.
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