???6.2??27?????? ?????:??50?????

??

????????1??????21????????? ??21??0?????????17??6.2?,?14????????????????????,??“????”???43????????,??????50????,????????55?????????????????27??????

  ?????????????????? ???:???????“???”

??????,?27????,??????????,???16?????????????????????????????????????????????????????????????????,?50???,??????????????????1????????????

??????????????,21?????

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

?,??“???”?????????,????,??,????

???,??????,???6???????10?????,???55??,????????????????

?,????????“??????????????”??????43?????????,?30??,???????50????????????????,???????????3???????5.0??

???????:??

?????????

????????6.2??27?????? ?????:??50??????????

????????