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

2???????

3????????

4?????vx

5???95??

???????2?????????????5?????? (??????? ?)?????????????,????????????????????????,???,??“??”???

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

?5???,???8????,?????????396.93???????,??????11.5%;????34.24??,????12.3%??,?????131.9????,??13.5%;??????????????????????16.2?????,??12.8%?

???,??????? ?

???????,?,????????4?????????????????????????(????????????????????)?????40???

????,???,?78%?(??)

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