???? ??? ?????????“???????????”
??:???????,????????????????????,????“??????????????”?
???????????:????
???????????,??????????????????????????????????????,????????????12?????
19??
2?6????????????,?????600???????,????????????????19????,???????????2???15??????????,?????????????
???????:“??”?????? ?????????
?,???“??”????????????????????????600????????,??????????????????1?,????????,????
???,???????????1000??,???????????100??,??????????????????
????:????+?????? ???
??,??“?????????????????+????”?????????????????2?????????5?????????????,?????????????500?????,???7??????,???????????
?????????????“?????????”,?????????“?”,????22????????????,?????????????2?????????
????????“??” ??
???????????????????????,??,???????????????????????“?”,??????????????????????????????????“??????”????,???????????,?????????????
??????????????,?????????????????????????????????????????,??????,???98%,??????????????????2????3000??????
?????,????????????????????????10????,????????? ???:?????????????????????????