????12????1? ?????????

????:??????:92?95?98?????

???????????:????????12?,???(12??1??)?,????,????????????????

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?????????????????????????????«????????»12????1????????????,«????????????»?????????????????????????????????????????????,????????;????“????????????”??

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12????1?,????????«??????????»????«?????????????»??????????????,??“?????”“??”???????????????????????????:?????????????????????;??;??????????????????????????????????,?????????

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???12????1????????????,«????»?,??0.5????,?????????????????,?????1.5%,????????????1%,??????????????0.5%(??????)?

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??????????????«????»,???????????????????????????12??????????????????????1?????????,??????????,?????????????????????????20%???

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