????????????? 52????????

?????2??????1??????? (?????????? ?)?????????(1??28???),??????????????2??????????????????????1????17??????????,????????????52??,???,??????????47.8???

“???????????????,??????????????,????????????????,??????????,???”2?1????????,??????CX367???

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

?????????????,???,??,???????????????????,?????????2???????1???????17??????,????????????????????4.1??????????????,?2.2?,?53.7%?

“???30?,?????????,??????????????????????????”?????????????(??)??

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