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

2????????

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

4?????????

5????????????

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

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

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

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

(? ???? ?)

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