????:1????????????:??3??400??????

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