????:1????????????:????

2?????

3???????????

4??????

5??????????

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