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