????:1?????:qq???

2???????

3????????

4????????

5????????

??8????????????????????????????10???????(?????????????? ?? ?)??????????????????,?????????????“????????????????”??????“E???????????????”??,????500??????????????????????????????????,??????????10??????11????“????”“??”????

??,?????????????,??????????????????,??????????,??,????????????????????????,???????????????????

????????????? ?

???????????????X???????,??????????????????????????????????????

???????????,????????????????X???????????????????????????????????????????,???????????????????,??????????????,????????????????,???

??? ?????????????

??,?????????????????????????????X?????????????????????????????“E??”????,????????????,???????,??????

??? ??

???????????X????????????,?????????????x?????????,??????????????????????????,??????????,????????????????????,??,??????“??+???????????????”“??????????????+???????????????”“?????????????+??”????(?????????)

???????????:??????????????