?? ????!??“??????????????”
????:1????????:???????
2?????
3??????95??92?
4??????????
5?????
?????????????????????9?19?????????????? (????????? ?)????????????????????“????”(Sigma Geography),9?19???????????????,“??????????”??,???????“??????????????”,?????
???
??????????????????????????(???)??,“???”???????????????????????,??????????????????????????????????????,???????????“???????”??????????????????“????????”“?????????????????”“?????????”“??”?,?????????????????????????????????????????
9??19???????,“?????????”????????????????“????????????????????”?????????????????????? ??? ?????????“?????????????”???????,“?”????,???4???????????????????16???,???????????????????320?????,??4???????????,“?????????????????????????????”???????????,??31.3%?
“?????????????????????????????”??,???????????????????????????????,????????“???”???,??,??????????????????
“?????????????”??,???“???????????????????????????????????????”??,???????????“???”??????????????????????????????????????????,??????????????????
“??????????”??????????????????????????,??“???????”????????????????????,???????????????,???
??????????????????
“??”???????????????????????????????,??“??????????”??????????????????????????,????“?????????????????”??,??,?????????????????????,??????????????????????,??
9?19??,“??”???????????????????????????????? ??????????? ?????????????????????,????????????????????????????“????????”,????????????,??,?,??,?????????????
???????????,“?????????????????????”????????????????????????????,???,???????,?????????????,?????????????
???????????,“????????????????”??????????????????,????????????????????????????,??????,???
?????,“???????????????????????”?????????????????????????????????????????????????????????????????????,“?????????????????”???
?????????
??“?????????????????”????,??“???????????”??“???????????”???????????????;“???”???????,??????????“??”,??????????,“??”?????,???????????????,???????????????
“????????????????”?????????,?????????????????,??,??????????????????????,“??”??«?????»???????????????????«???»«?????????»?????????????10??????
????,??,“????????”?????????????,????????????;????????????,???????????,????????????????
????????????,?????????“??”,????“????”??????????,???????????????,???????,????????????????“???”??“??”“?”???????(????)
????:???