????:1???????:600??????

2???????

3?????v

4???????

5????????

???????11??????????????25????????????????????? (????????? ??)?????????????“??”??,?????????????????25?????,46??,???????“??????????”??6000???,?????58%?

???????,??????????“??”??120??????????????????????????????,?????811.32????????,??110??,??????

?????“??????”???????????,???,?“?????????”???????????????202????????????????,????????????????,????11??“??”????

??????,???????????????????????

1978??,“??????”???????????????????????????????“??????”????,????????????????28.4%???????????????????????????????????????“???”???????????????9?68???46??,???“??”????????????190??????

46??,????“?”?????????????,?“???”“??????????????????”“???”??????,????????????,?????(???) ??:????