12???????????20????,?(????????????“????????????????????????????????”???“???????????”),?????,??

??????????“????”(????????????????????????????,??????????)???????????68.6?,?????????????????3???

????????????????????2?????1???????2???,????2??????????????????????1???2????7????,???5?????,????2???

???????????????????????????,??40??,?????,????

(???? ????????? ???)

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

“??????”_????

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

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

2????????

3???????????

4??????????

5??????????

12???????????20????,?(????????????“????????????????????????????????”???“???????????”),?????,??

??????????“????”(????????????????????????????,??????????)???????????68.6?,?????????????????3???

????????????????????2?????1???????2???,????2??????????????????????1???2????7????,???5?????,????2???

???????????????????????????,??40??,?????,????

(???? ????????? ???)

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