11 4 ±ǵ 5 ±ǵ α ڹȸ ±ǵ α 뿪 ȸ ü , ι(±ǵ äȭüä ) α, ǰ ȹ Ǹ .
±ǵ α ڹȸ ±ǵ ̻ ڹⱸ 3 12 5 ȸDZ ̸ ±ǵ α α , ±ǵ ϴ ȭ, α ±ǵ ݻ ڹϱ Ȱ ̴.