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

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

3?????

4????????????

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

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

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

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

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

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

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

?????????????????????“???”????

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

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

??????

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

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

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

???

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

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