?? (???)?“????”???:“????????”???“????”
????:1???????:51??APP??
2?????200????
3???mm??
4??????????
5??????????
?12??????????????6??(??)??????????“?????”??????????……????????,???????
“???????????????,?????????????????????????????,???,?,?????”?????????????????,??????????????,?????
????????,??????300???,???,???60???????????,??????70???????
???,???“??”,???“????????????????+??+?+?”??“????????”?????6?????,???????????????“??”?????,???“?????????????????????????????”?????
????????????????,??????????“???????????”???????,??????????,?????????????????????????????????????????????????????????????????????????????,???????????
???????1?,“90????”?,??30?,?????????????????
12?6??,??????,?????????? ?????????? ??“???????‘6+N’??????????????????????????6??5%,??????”????,?????,??????????,?????,????????????,???,??“????”???
??????,????“??”,????“????????????”????????????????????????????5????????????????,????????,?????????“??????????”?????????????????
????????????
“??,?????????,??????????????????,????????????????????,?,?????????????”??????????????,??,?????????“??????”,??,??????
????,???????(????????)??????????,?????60????/?,?????10???????????????
12?6??,?????,?????????????????????????? ????????? ??????????????????????????,?????????3??300???400???????????,?????????????????????2????????????????,?????????????
“?????????????????????????”,?????“????”??????????,?????,????“???”??“??”,???????????“?????????”??????……(?)
???????:??