????:1?????????:???????2020

2?????????

3?????vx

4???????

5????????

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

????????,???????,??????28?????????,???????????????“????????”???????

1?15???????????????????????????,?????????????????????????????????????????????,?????????????,?????

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

“5??????????????????,?,?????????????????,?????”???????,?????????????????????????,??,???????????

???????1????,??????“??????????????”,??10????,??,????????,???????

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

????????????,?????DNA?????????????????????,???????????,???

????????????6?????????????,????????????“???”??,???????,??????????????,?????“????????”???????????

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

“???????,‘??????’????????????????,????????????????????????”??????????????????????,??????????????????????5?????????,????????,????????????????????????,??????24??????????,?????????????,??? ???:???