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

2???????

3?????vx

4????????

5???????

????11????????????27? (???????)?????????????????(????“??????????????????????”)27??????????,?????????,?,?????????????2040??????????????

“????????????,????????”??????????????(????????????????????????)???,??????????????,???????“?,?,??”

?,????????,???

????????????,?????,?,????????,?????????????,????

1984????????10???,???????????,?????????????2002????????????????????????4????,???????????????8?????

??,??????????2030??????,???????????18???????????,????15???(?????????) ???:??