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

2???????

3??????????

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

5?????vx

??2??????????????8? (???)????,??????????????????8?????????????????,?????2??????????16?????????????,???2100????,????????????????????

2??????8??13??,???????1036??????????????????????????887???????????????????????636????????,??????,2?2?,?????????????2?????????????,??200??

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

?????????,?????,?????,?????????????????????????????????????????????????????????,??120?,???6000???????,????????????????“???”?(???)

??:?????