??
?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?,?????(???) ??:???????????????????????
?????????
????????-17.8? ????2????????35????????????????