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

??????????????????? ?

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

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

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

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

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

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

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

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