????:1??????vx:????????????

2???????

3?????150???????

4??????????

5???????????

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

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

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

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

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

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

?“???”????

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

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

????????

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

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

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

??

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

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