?????????40%
?????????????????? (? ??????????????? ??????????)??2.4??????2025?3.5??????4??,??46%?????????????????????66%,????????????,?????????????????????,?,?????????????,???????????????????,?,????????????????
??????????????????
1???????????????15????,??????????????,??????????????2.4????????2025?????????????3.5????4????????????????,????????????????????46%????????66%?
“???????????,????????,???,?,?????,???????????,??????”?????,???????,?????????8????????????,?????????????80????????????
????,??????????????????????,?1980??,??????????????,?,?????????????,??,????????
?????
????????
??
????????????????,??,????????????????“??????????”?,???,?????????????,???????????????????????????????????????,????????????????
??,?????,?????:?,???????????,????,?????????????????;?????????,?????????1949????~1967??,???????????,???????????? ???????????:?????