????!??????????????“??”

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

??????????????9??19??? (??????????????? ??)??????????????????????“??”(Sigma Geography),9?????19?????????????????????????????,“?”????????????,???????????????“??”,???

??????

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

9?????19?????????,“???????????????”???????“?”???????????????????????? ??? ????????

“???????”?????,“?????????”??,?4???16?????????????,?????????????????????????????320??,??????????????4??????????,“??????????????????”??????,???????31.3%?

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

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

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

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

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

9???????????19???????????,“???????????????”????????????????????? ?? ???

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

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

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

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

???????????

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

“???????????”????????????,??,????,??????????????????????,“????????????????????”???????????????«????????»?????????«??»«??»?????????????10???

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

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

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