?? ??????????“???”??6000??
????:1??????????????:???????VX
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??????????,?????“??”??????????????,??????“?????”“?????”“???”?,???????,????(????) ?????:????