?? ???????????A4??? 4.21????
![](https://image.chezhanri.com/2019/0517/20190517171829197.jpg)
????:1??????????:??????
2??????
3?????2021
4?????????????
5???????????
4.21?????
??????????,??????????,??????????,???????????10?????,?????10??????????????????????????,??????
5??8???,???,?????«????????????»?????????????????,?????????,?????????????????????????????????
???????????????,?????????????,?????????7??????????????18??«???????????»?????????????????,??«????????????»??????????«?????????»?????
???????????4.21???????????,???????????,????????????????“CoulombFly”?
??????????A4???????
???????????,??????????????,????????????????????,????????????,????????,????????????????????????????,???,????10%??????????????????
??,????????,???????????????,??????????????????,“???????????????”?
????????????,?????????????,????????20???????????,?????????????????????4.21??????????,???????,?????????A4???????????????????,???,???????????????
????????,?????????,??????????“??????????”??????????????????,????????????????????????
??????????,????,????????????????
“?????,???,????????????,????,????,????? ????????????????????????????,2009?????,??????????,????????????”?????????????????????????????
?,???????????????????????????????,“???”? ??????????????????????,?????,??????????,???????????????????????????
???????????,??????????????????,????????????????????,?????????????????????????,?????????,????????
???????,??????????????????????,??????????????????????,????????????????
??????,????«?????»??«??????????»?????????????
????
???????????????????????????????????“????”,??,???,???????,???,????????,???????????????
????????????,???????????????????????????????????????????????????????,???,??????,??????????????,??,????????,??????
“???????,????????0.3??????,?2?????????????????,???????????40???”?????“???,????????1.5???”
????????????“??????????”????,??????????????????????15???????????????????,??,???????????????????????????????????????????????,????????????
???,??????????????“??????”?
“??????,????????????????,??????;????????,???????????????,????????”??
????????????????????“?”??????,?????????????????????????,????????????;??,???????????????????????,?????
?????????????,???????????????????
“??????????????????,????,???????,????????????120????????????????????,???????????????200???????????????,???????,????????????,?45??????”????????????????
?????????,??????????????????,?????
“???????????,?????”???????????????????????????,“???????????????,???????????????,??????????,?????????????????????????????????,??????????,???????????????”
??,???“???”????????
????????????,???,???????????,“??”???????????,???????????????2????????????,?????10??
?????????
??????????????????
??,??,????????????????????????????????????????????????????????,????????
“???,????????????,????????????????,?????????????,?????????,?????,?????????????????”??????????
??????,???????????????,?????????,???
?????????????????,???,?,???????????????????????????,??????
“?????,?????,????????????,??????????????????????,????,?????????”????
??????????????????,??,????????0.568????30.7?????????,??????
??,????????,?“?????????????????”???
“????,???????????????????,?????????????”???,????“??”???????????,?????????????????????“????????????????”,????“?????,??????”???,????????,??????????????????,??????,?????????
“??????????,?????????????,??,???????????????????????”????
????????????????????????? ??????????????? ?????:?? ??????:?????????