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

2????????

3?????????????

4??????

5??????????

?11???22??????????(???)??????????????????????????????????????“????????”?

“???”11?????????????22???,????“??”???????????????????????????????,?????????????????????,???????????????,?????????????

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

????????????5000?????????????,?5300?????????????4000?????????????

??????????2019?7?????????????????6??????????????,??«???»?

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

??“???”????????

“????????????”??????????,?????20??????????????,??DNA??????6???,??????????????????????

???????,???,?????????,??????????3????????????,?????????????????DNA???????,???????,??????????????

??

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

??????????,????6000??????,??????,?????????,??????????????????????

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

??

?,??,????????????20?????????????????,?????,??300???(?????)

????:????