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

2????????

3???????200??vx????

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

5???????

???????11????????30??????????????? (??? ????)?????????????“?????????????????”30?????????,????????????12????,??900??????,?????????????????????2.06????

11???????????30??????????????????,???

????,?????????,??52??“???????????????”??????????,22?????,??11??????????????????30??????12????,????????34????,?????????4.2????52?,?????10.8????????

???????,??5???1???????,«?»????,??“??????????????????”???????????«????»,??,??????,??

??????

????“???+?????????????”?????,“????????????????”?????????????(??????????),“???”????????????,??????????????,??????????????????????????,??“????????????”“?????????????????”“???”,??????????????????????,?????????

??(??????)???????????????????,??,????????????????????????????????????????????????

?????????????,?????????????????????????????????,???????18?????,??????????????(??????????)

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