?? ???????????????? ????????
![](https://image.chezhanri.com/2019/1113/9c4a739bdbec97d3e57b2bf8cc04f8cd.jpg)
????:1??????????:????????
2?????
3??????98?
4?????v?
5?????????????
??????????????7??22???? (?????????????? ???????)7??19??20??40???,?????????????20?????12???????,?12??????????????31???????,?????????1?????,?,????12????DNA?,???
21???????,???,???????????,??????????????????????????
?,?????????????,????????????1630??205?????????63?????6??????????21????????,?????????????200?????200????????????100??,?????????????6000???????????(?????)?
![](http://i2.chinanews.com.cn/simg/ypt/2024/240722/b140802d-9365-4b59-b670-520fdf80780a_zsite.jpg)
??????????????????????????,?,?????????????????????????????????????????700???,??????1500??????,??????10?????,??????,??????
????????,????????????30??62??,??????????,??????,????????,??????????????????????????
???,???????????????????????????????,???,??????????,???????????????????,???????????,???
“?????????????????????,???”????????????????
?7??,?,??????5???14?????,?????,??????????????????,???????????
20??,??????????????????????,???????????
?????????????????????????,????????,???130??????????????????,?????????3??,??20??????????????23???????????,??????
???,????,??,??,?,????,?????????????????????????????????????????????,?,???????(?????????????)
????:???????