????:1????????200?3??:??????

2????????

3??????

4???????vx

5???95??98???

???????“?????????”????11????????????????22????23???

??????“?????????????”??????????????????????,????,???,???????,??????????????????????????,???????

??,?????????????«????????»???????????????????????,????,??????????,???????????????????????,??,????40%????50%???????,????????????????“??????????????????????”?,????????????????????(???)

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