?? ??!??????????????“????”
????:1????????95????:?????V
2???????
3?51??????
4????????
5????????????
???????????9???19??????????? (???????????????????????????? ??)???????????????????????“??????????”(Sigma Geography),9?????????????????19?????????????????????????,“?????????”??????????,?“?????????????????”,??????
????????????????
??(????)???,“??????????????????????????”??????????????????????,??????????????????????????????????????????,????“?????????”????????????“?????????????????”“??????????????”“????”“??”??,??????????????????????????????????????
9???????19?????????????????????,“?????????????????”??????????????“??????????????????”???? ????????? ?????????????????“????????????”????????????????????????????,“??”?,??????4???16??,?????????????????320??????????????????????,?????????????4?????????????????????????,“???”??????,???31.3%?
“????????????”?????????,?????????????????????????,??“???”???????,???????????????????????,??????????????????
“??”????,??“?????????????????????????????????”???????,??????????“????????”??????????????????????,??????????????????????
“????”?????????,???“??”??,?????????????????????????????????????????,???????????
???
“????????????????”?????????????????????????????,??????“??????”????????????????????????????,?“???????”???????????,???????????????,????????,???????,????????????????
9?????????????19??????????????????????????,“???”??????????????????????????????? ??????????? ??,??“??”,?????????????????????,????,??,?????,???
?????????????,“?”?????,??????,???????????,??,???
????????????????????,“??????????????????”??,??????????????,??,???
??,“????”????????????????????????????????????????????????????????????????????????,“????????????????????????????”??????????????????????????????
??
????????????“??”????????,?????????????????????????????“??”?????“???”????????;“??”??,??????????????“?”,??,“??”???,?,???
“???????????????”??,???,???,????????????????????????????????????????????,“??”??«?????????????»?????«?????????????»«???»???????????10???
????????????,?????,“?”??????????????????????????,??;??,??,????????????????????????
??,?????????“??”,?????????????????????“????????????????????”??,????????,????????????,???“???”????????????????????“?????????????????”“???????????”????????????????????(????????????????)
??????:???