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

2???????????

3????????

4??????200??500

5???????

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

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

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

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

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

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

??“?????”???????????????????

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

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

???????

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

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

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

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

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

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