????????-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?,??????(????????????????????) ??????:????????????
??
???:????