????:1???????????:?????100???

2?????????????

3??????????

4???????

5????????

???,???????3507??????????????????,??

?,?1959??,2007????????,???????????????????????754???????,?????????5????????????,???????????90%???????

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

??,??????????????,?????????????????????14????,?????1000??,??????????9300????

(????????? ??????)

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