?? ?????????????????
????:1???????:?????
2?????????????
3????????
4????????
5?????
??8???????????5???????????????????????? (???????????? ??? ??)5??????,?1960???????(??????????????????????????,?????)????,??1???,??1.14??????????????
????????,???????90?8?,????
????,????24??????,???????????????????????????????
???,??,????564.3??,??????67.2%?(?????????????) ?????:???????????