????:1???????:??????

2????????

3?????????

4????????

5?????????

?????????????6????????????21?????????(? ??????????)21??,??,?????????????????,???????????,???????????????????????????????????????,?????????,????5??????????,?3200.7????,??79.6%,?7.2%???????????????,???1387.8??,??????????29.2%?

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

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

?,???????????“7×24???????????????”?????,??????????????????,???

????????????????,???“?????????”??????,???????????????30??????????????

“???????????10????,??????,???????????,???????????????,??”,??,“????,?,??‘???+??’???????,??????????????????????????????,???????,?????‘??????????????’????????”

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

?,??????????????“?”??????,???????????????????,?????????????????????????????????????,??,?????,??????????????,?????????“????????+????????????”“???+????”???,?????????15??????,???????“????”???????8000??,?????????????????,??????????????????????????200????

???????,????????????????????,????CT??????????????,???,???,?????????CT???15?,???50?,???,????42??,???????????????8?????????????????????????,????,????“????????”??????(??????????????????)

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