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1???????15????,????????????????????????????????? ????15???????????,??????????“???????????”??,?????,?????????????????????;?????????????????????????????????????,??????;???,?????????????????????????????????
?????????????????????1989??????30??????????,??8000???????????????,????1000???????????,?“???????????????”????????50%?
????,30??,????,????????????????????????????????????????????????,?????????????????????????????????????????,???????,?????????????????
?,??????????,????????????,??????????,???????????????????“???????????”?????(??????????)
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