????:1?????:????????

2????????

3???????

4???????

5?????200?500

??????????8???????????16????????? ???:??????????50?? ????“?50????”

?????????? ??

?????????,?,??????????......????????8??15??,???????????????,???????50????

“??”??????????????????????:???????????????????????,??

??,???“??”???????????,????????????????????????50?????????????????????,???????????????,??????????????,????50???????,????????,????????????

???????,???????????????????“??????????????????????????????????”?50??????????“??,?”????????????:

???????????????15???????????,??????????????????????????,?????,??????7???????????12????,??????

“???(CBERS)???????????????,?6????,?????????”????,?????,??????????“?”??,??

??????:???????

15??????,???????????????,??,?????????????????????????????,??????50?,???????????

????,?????????????????????????,???????????????????????????(????),??????????

?????,????????????,?????????“??????????????????????”???50????????

“????!??!????????!”??????????,????????????????,?50????????

?????,??????50????????????,???????????????,?????????

??????,?????20???

“??????????????:???? ???????????????”??«??????:?????50??????»?,?????????,??,“?????????????”?

?:??“?????????”

???????,????????,??????????,??,???????????,?????????????????????????,?????????????“???????????????50????????”?

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

?????“??:????????????????????????,??”????,??????????????????????????????????????????????????,????????????

“?????????,?????????????,”??,??,????,????????,“???????????,??????????????????50?????50????”(??) ??:?????????