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ϴ Ҳ Ƣ 찡 ִ Ҽ ΰ Ѵ. ʰ ź ʿ 츮 ¦ 밨ϰԵ Ǵ 츮 ϰ Ǿ ڵ Ǹ ڿ ָ ϴ ô밡 Ǿ.
1971 . б âа . Ҽ. åҼ <Ʊ>, < >1,2,3 Ⱓ.
1. ִ 2. η 3. ϻ
ϵ ϴ.