?? ??? ???? ????? ???? ??? ??? ??? ?? ????? ??.
?????? ?? ????? ??? ???? ?? ??? ??? ?? ‘???? ????’(????3?? ???) ???? ?? ??? ???? ????.
?????? △??(0.45%) △??(0.24%) △??(0.24%) △??(0.21%) △??(0.21%) △??(0.20%) △??(0.18%) △??(0.17%) ??? ???? ???. ??? ????? ?? ????? ???? ??, ??? ???? ?? ???? 2·3??? ?? 250?~3000? ??? ???. ??? ??3?? ???? ??? ???? ????? ????? ???? ??? ???. ??? ??, ?? ?? ????? ???? ??? ????? ???? ???? ??? ????.
???? ??·??? ????? ????? ????? ???? ?? 0.05%, 0.03% ????.
???? △??(0.17%) △??(0.13%) △??(0.10%) △??(0.04%) △??(0.04%) △??(0.04%) △??(0.01%) ??? ???. ??? ??? ??? ?????????, ??????????? 1000?~2000? ??? ?? ??? ????. ??? ?? ???? ?? ????? ????? ????? ????.
??·??? △??(0.18%) △??(0.09%) △???(0.05%) △??(0.04%) △??(0.04%) △??(0.03%) △???(0.03%) ??? ????. ??? ?? ???? ???? ????? ????? ????, ???? ????? ???? ?? ???? ??? ??? ?? ???. ?? ?? ????? ??? ????? ??? ??? ??? ??? ??? ?? 0.05%, 0.01% ????.
??? ???114 ??? “??? ? ??? ?? ?? ??? ?? ???? ?? ??? ?? ??? ??? ????? ????? ????? ????, ?? ?? ??? ??? ????”? “?? ??? ??? ??? ??? ?? ???? ??? ??? ?? ??? ??? ??? ???? ????? ??? ????”? ???.
????? ???? ???? ? ???? ??? ?? ???? ??? ???? ??? ?? ? ??? ??? ??? ??? ?? ???? ?? ?? ???? ???? ????. ?? 0.04%, ??? 0.01%, ??·?? 0.02% ???? ???.
??? △??(0.36%) △??(0.26%) △???(0.16%) △??(0.14%) △??(0.13%) △??(0.11%) △??(0.11%) △??(0.08%) ??? ???? ???. ??? ????? ?? ?? ??? ????? ?? ????. ?? ??? 0.10% ????, ??? ??? ????? ??? ????? ????? 0.08% ????. 0.05% ??? ???? ???? ?????? ??? ????? ????? ???? ??? ???.
???? ??? ?? roseline@donga.com
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