??????????????5???

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?????2???14??????????? (?? ??)?14??????????,??????????????2???????????????????8??????????,???50??????????????13?????????????,????????5.3??,????????75%?

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?,???,??????

??????????,??????????770?????,????1??10????????1????????22.5????????6????????????????????,???????????????,??

????,?????????,?,?????,?????????????

????????????,????????????“??????”?????????????????“?”????????????????

?,??????????????????3????????,?????????7500?????????????????????,??????95%????????????????,?????

???,??????????????96.8%,??????2.2%,?????1%,???

????,??,?,?????????????????????,?????,?????????????(??)

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