????????????????????????2????16?????? ????????????????????????:???????,?????????15???,??????????????????13????????
???,13????39????,??37?????2?,15???????
?,???????????????,??,????????????????
?????,???(?????) ????????????????????????:????
???!??????????????????
???????????0.6%?????????
????????????????????
????:????????????????
????23?????????????
11??????????????????
????????“????”????????
????????8?18??????????
????“??”???1270???5???
??????????????????
????????:??????????
??:??????????????
???:??????????????????
????????13????????????
??:??“??”????????????
??-???????????????????
???????????????????
?????????????????????????
??????????????????
???100???7????5???????
?????20????????????????
??????????????“????”
??????:????????????
«????8»??????BB-8??????
??:?????????????????