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