?????????????6????????16????(??????????????????????? ???)???????????????????????????,??5????1??????“??”?????16????,??,???????????52???????61???,?2.47???????????????

???????“???????????”???????????????? ??

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

????????,???????????????????????????????????,????????????????,????????????????????“???????????”“?????????”????“???”“???”,????????30?????23????,?????????????????90%??,????

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

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

???????:??????? “???????”????

?? ???“??” ????????2.47????????

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

2???????

3??????v

4????????

5???????

?????????????6????????16????(??????????????????????? ???)???????????????????????????,??5????1??????“??”?????16????,??,???????????52???????61???,?2.47???????????????

???????“???????????”???????????????? ??

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

????????,???????????????????????????????????,????????????????,????????????????????“???????????”“?????????”????“???”“???”,????????30?????23????,?????????????????90%??,????

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

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

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