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

2?????

3????????

4?????

5???kb???

??????????????????????6???????12????????????? (? ????????????)???“520”????????????“????????????????”???,????????12??,?????“??????????????????????????????”?????

????????????«?????»(ECFA)????????????,?????,?????????????ECFA??????????????“????????????”?????????,?????,???????????????,?????

?????ECFA???????,??,???????????????????“???????????????”,“??????????????,????????”?

????“?”????,???ECFA,???????ECFA??????????????????????????,??????????,????????????????ECFA????

??????,?,“??????????”,???????????????????????????

??????????6???????????10?????????“?????”?,???,???????????????????????,?????????,????,????

4??????,?????????????????,?????“??????????????????????”???????????????,???????????????,?????“??????”,????,????

??,??????12????????“?????????????????”,???????????????????“???????????”??????????,????,????“????????”???????????“????”,????

?????????????“????”,?,?????????????????????????????????,???,?????????????????????????????

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