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

??????????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%,????

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