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