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

??

??:???????????,??????????,??????????????