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

2?????400?4?????

3????????

4?????????

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

??11??22????(????????????????? ?)?????????????,???????????????,?????????????????11????28?43??????????????????“??-20”???????????????,2014????????????2023?938????

???(????)????,????????????????:11?25??26?,?????????????????????????????????????“??????-20”????????11??????28????,???????????????,?;??,“????-20”????????,?????11??????29????,??

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

???????????????,??2014?????????2023?????????????????938??????????????????

????(???)???????????“2019?6????2021?????4?????????????????????????1??,??????????10????????????????????????????????,??????20???????????????????????????????”

????????????,???????????????????,?DNA?????,????????????DNA????,??????????????????,????????????????????????????????????????????(??????????????????????????) ???:??