??
?????????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%,??????
?????,?????????????????,??,???????????????????,???????????????,????????????????????????(??????)
???:???????????
????????5???????????????????????????