???? 29? ?????? ??? ?????? ??? ??? ? ???????? ??? 7??? ???? ???? 1219? ?? ??? 190??? ??? ??? ??? ?? 48.9%? 93???? ????? ???? ????? ? ? 25??? ??? ???? ??? ??? ????. ?? 25??? ???? 16?, ???? 6?, ???? 3? ????.

??? ??? S? ???? ?? ??????? ??? ???????(DCE)? ??? ???(0.03¤)? 59?? ??? 1.780¤? ???? ?????? ??? PCE? ???(0.01¤)? 17?? ??? ??? ????.

? ????? ???? ? ????? ????? ??? ??? ??? ????????(TCE)? ???(0.03¤)? 7?? ??? 0.210¤? ??? ????? ?? P?? ?????? ? ??? ??? ???? 31?? ??? ??? ????.

DCE? PCE, TCE ?? ?? ??? ???? ?? ???? ??? ????.

??? ???? ???? ??? ?? ???? ?????? ??? ???? ??? ?????? ???? 10??? ??? ??? ??? ???? ?? ??? ????.

??? ???? “???? ???? ????? ???? 94? 18.1%??? 96??? 34.4%? ???? ???? 50%? ???? ? ?? ???? ??? ?????? ??? ?????? ???? ??”??? ???.

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