????11?26??? (????? ????)????????????????????????????????“????????????S”26?????

?,?26?8??30????????????,??“???????????S”????????????????,????120?????????,“???S”??49??????,?????

?“?????????????????????S”???????????????????????????????????7???????????????????????????,??,“?????????S”??????????????

???«????»?????????????,“??????????S”?,????,?????????????????????

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

“??????????????S”????“?”???????????“?????????S”???????????????27??,?????????????????????600???,???????????????????????????????1.4?????(????) ?????:????? “???????”_????

?? ???????????????“??S”????

????:1????????:?????100????

2?????vx

3???????????

4???????

5?????v

????11?26??? (????? ????)????????????????????????????????“????????????S”26?????

?,?26?8??30????????????,??“???????????S”????????????????,????120?????????,“???S”??49??????,?????

?“?????????????????????S”???????????????????????????????????7???????????????????????????,??,“?????????S”??????????????

???«????»?????????????,“??????????S”?,????,?????????????????????

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

“??????????????S”????“?”???????????“?????????S”???????????????27??,?????????????????????600???,???????????????????????????????1.4?????(????) ?????:?????