????????? 7???14.3??????????

????:??????????:????wx??

???7?????28??????????? (???? ??? ???)??,???????????????????????28?????????,??7??????????????????????????????1??????????,?14.3?????40???????

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

28???????????????,???,?????????,?????????,??,??????????????????????????,??????????????????,??????????,?????????7????1????????????????????????,?21.6%,???80%?

??“???????”,?144???????????,?????????;????????????????????????????,???,???????????????????????????

???????????(??)

??????????????,????“????????????”????,??144??????????????????????,???“????????????”???,??????????,“???????????????”????????????800??????????“??????????”??????????,???,10?????????????????????????,??,?????????????????4.8???????????????

?????,???????????????,??????????????????,??????6???????,??????10????“??????”“????”????????????

“???????????????,?????????????????????,??,?,??;??;???????????,???????????????,???,????????????,?????????????????????????,?????”???(??????????????????????)

????????:??????