????????-17.8? ???2???35????
???2??8??????????(??????? ???)???????????,????????????8???,?????-17.8???????-4.6?,????,???35??2??
8??,????????????????89???,??????????57???,?,???5??,????????1?,“???????”?????????
????????“?”,??,??,?????????,????????????????????,??,?????????????????????????????,????????,??????????0???????????????,?2??????,?????????68??
?,?????????8??????????????????-4.6???????????2???-4.6?????,???????1990?????2????1??(-6.2?)?
???????,???8???????,?,????9?-3??????-5?,?,?????-6??-8?,?????10????????,?-1???????????-3?,????,???????????-4????-7?,??????????????(????????????) ??:???????
??
???:????