HL??? ??? ?????? 1?2000? ?? ?? ??? ????.
10? ????(IB) ??? ??? HL??? ? 1500? ? ??? 1?2300? ?? ?? ??? ???. 3?? 1200? ? ??? 1?100? ?, 5?? 300? ? ??? 2200? ?? ??? ???.
HL??? ?? ???? ???? ????(?? ??) ?? ±30bp(???????·1bp=0.01%???)? ??? ??? 3??? ????(―) 2bp, 5??? 5bp? ?? ??? ???.
1962? ??? HL??? ???? ??·??·????? ???? ??.
IB?? ???? “?? AA―??? 5? ??? ?? ????? ???? ???? ?????? ?? ??? ???? ????? ??? ??? ? ???? ??? ???”? ???.
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