??????????

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

?????????????????????????????

???????????????????1???????6?? (?????? ??)????6???????????????????????????????,?????,?????????????????????

???,??2050?????,?????????????????????2019??,?????????,??????????????????????????40%?

??????????????,???490?????,?7000?????????(1????????????????????????2.4??)??????

??????????,????30%?????????????????????,?,???

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