???????? ?????????“????”????

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

?6????????21???????(???????????????? ?)?????????????????????,?????????????????????21??,?9721?????????????,????“???????????????????????????????????”?????

6?????????????20????????,???(?? ?)

??21??16???????????????????,???????44.1????????????????95%????;???????16?,???????

?????????I?,??????????????????????????????????????????9721???,???????2793????,????????????68???????,??????189?????

????250??,???????????????20???????,??????????,????????????????????,????????,???“?????,???????????????????”?????,?????????????????????,?,?????,????,????????????????

??????????????????20???????,????????????????????????????????????????21??????????????????20??,????,???12????????????,??????????????????????????,???

??????????????,?????21?7?16.19??,???????,?,??????????????????(???????)

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