?? ??“??????????”???6000??
????:1????????:????????
2?????VX
3??????????
4??????
5??????
????11???25??? (????? ?)?????????“??????????????”???????????,???????????????????25???????,46??,???“??”?????6000??????????,??58%?
?,??????“??”?120??,??????811.32?????????????????????????,???110?,??????
??????“????????”?,?????????????????????,??“????”????202?????????????,??????,????11?“?????????????????????”??????
???,??????????????????????????
1978?,“??????????????”????????????????????“????”???????????????????????????,???28.4%????????????????????????????????????????“???”????????????????9?????????????68????46?????,??“??”??????190???
46????????????,??????????????????“??”????????????,?????“???”“??”“??????????”??,???????????????????,???(?) ????????:???????