ֱ δ 1981 ȣ ϱ ûdz, ȭϵ ϴ 9.7 4 5ڷ ȣ ߴٰ .
ֽô 4 Ӱ ° (2~3)ϰ ù 걹, Ŵ ùο, ϱû, ȭϸ ֹΰ Բ 7 4 ûdzͿ Ρü ü ߴ Ѵ.
ڸ ȣ ؿ Ϸ ȯùδü ǰ ϰ 4 Ρü Ӹ , Ѵ.
ռ ֽô 4 ȣ ֹǰ ϰ ȯ溸ȣ å ؿԴ.
Ư ֽ δ ȣ Ŀ Ρü (2~3) , ȭϸ ϼóü , ֹ Ű ȭȰ ǽϱ ߴ.
̿ , δ 8 ڿ 縦 12 ϰ ֹ ؼ ȹ̴. ̹ 簡 ϷǸ ֽ 100% ϰ ȴ.
걹, Ŵ ùο, ϱû ȭϸ ֹΰ Բ ȭȰ Ű 4 Ӱ ° ϱ ּ ϰڴ١ ߴ.