?2??????19?? ???????????????????:?????????!????3????????????
??????????? ??????? ??
??,????????,??????3???????????????????????,?????
?????????:????
?????,??????????32?????????????2.3??????????????????,???????????,??????????????,????,????
????????3??????,??????????????,?????????,??????
???????????????????????????????????,???????????,?????,?????
?????,????????????,????????????????,??,???????3???????????????,????????????
??????:?????????????????????????????
“????????????????‘????????????????’,??????,?????”?????????????,?????;?????????;???????????????????????????????????????????
“??????,?????????????????”??,???????,??????,?????????????????????“??”?????????????“??????????????????”,??????????????????????
?????
??????,???????????1/4500-1/3000??????????????,?????(?????????)?????????????????????,????,????????????????
?,??????????,????????????????X?????????,????????????????
????,??90%????????????????,????,?????????
????????????:???????
“????,????????????????‘????’?????”?????????????,??,?????????????“???????????????,????????????????‘?????’??,??????????”(???????) ????:??
??2???????0.8%??????
?????????????????????
??????!??:???????????
ISM??????????????
??????????????????????
??2?????????:?????????
???????5?????:????????
?????????????????????
???????!??????20???????
4?3?22?????????
??:????????????
??:????????????
????????????:????????
??????????????????
????????????:????????????
??????0.7%???0.8%
????????????:????????????
????????????:?????????
??????????!??????????40?
?????????????????????
???COS??????????:?????
?????????????????????
????????????:???????
?????????FOX???????????
????????????????????