์ด๊ฑฐ๋จผ๊ฐ€ 0.42๋ฐฃ์œผ๋ฉด ์Œ๋ด‰๋А๋‚Œ์œผ๋กœ0.28~0.32๊นŒ์ง„์กฐ์ •์ค€๋‹ค๊ณ ๋ด์„œ ์ง„์ž