?? ???:???????3.41????????????
????:1?????????:????qq
2???????????
3???????????
4????????
5??????
??????????????????8???19???? 19?????????,??????“?”??????????????,?1-7??,?????,?????????3.41??,?????????????????????????????62.34%,????1817.6??(????????)?,?????52.09%?
?,???,???????,????????????????“??”??????????“??”,??????(???)
??????????:????