?????????? ????? 2? 2? ??? ?????? ??

??????????? ?? ? 2? ?? 7? ?? ??? ??? ??????? ?????? ????.

1??? ???? ???? ??? ???? ‘??? ????’ ???? ‘???? ???’? ‘?? ?? ??’, ??? ‘???? ???’ ??? ‘?? ? ??? ????’? ???. 2???? ??? ?? ??? ???? ????? ‘??? ??’ ‘??’ ‘??? ????’? ??? ????(????? ????? ?? ???? ???) ??? ??? ??? ??????? ???? ?, ????? ??? ???? ????.

???? R? 3? ?, S? 2? ?, A? 1? ??? ????(1544-1555)?? ??? ? ??. ????? 30%, 65? ??·???·???(?????)? 50% ??? ???.

??? ?? isityou@donga.com