????:1?????????????98:???????

2?????????

3??????

4???????????

5???????

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

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

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

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

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

???:?????