???? ????????? ???????????“???”

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???:?

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19??

2????6??,?????????600????????,?????????????????????????????????????19???????????,???????????2??????15????,?????

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

??????,??????????????????“?????????????”??????????????????????????????600??????????????,?????1????????????,????????????,????

??,????????????1000?????????,??100????,????

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?????????????,??“????+????”????2????5?????????,??????????????500????????????????,????????7????????,???????????????

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

???,?????????????????????????????????????????????????,???????????????,?98%,????2???????3000??????

???????????,????????????????????????????????10?????,???????????????????????? ???:????