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

2?????

3???667????

4??????

5?????

?? ????????????:“??,??,?……”??????????(2????13??)?,??,??????????????“????????”,????????????,??,??

?????????,??????,???3.69?,???????1.29?,????,???????????

??????????,?????????????????, ????????,???????????0.12??????????????????,??????????,??,??????,??????3.73?,????????????1961??????????????????,??,??????????????4.49??

????,?,?????????????,?????????????10??,??????,???????10??

??????(2?????????13??????????21??????????????),??,?????????,?????????????????,???????15??,?,????????????5?????????,???????10???,????????????,?????????,?????????(??/???????? ????????????)

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