?? ????????????????????
![](https://image.chezhanri.com/2019/0309/20190309161052636.png)
????:1???????????:????
2???????
3???????
4?????mm
5????????
???????????????????????6????????????28??????????? (?????????? ???)????????????????????????,6??28??????????
??????????????,?????,???
![](http://i2.chinanews.com.cn/simg/ypt/2024/240628/899def28-4f74-4d2d-b2ec-b2fec26af0b1_zsite.jpg)
?????????????????,???????????????????????,???,????,?,??????,?????????????????????????,?,?,????????
?????????????,?,?????????????????????????????,???,????????????????????????????????????????????????????????????????(VLBI)?????????????,???
?????????,??????????????????????????????,??????????????????????,????????????????????????????????????????,??????????????????????,?????????????????,?????,??????????????????????
????????????????????????????,????????(??????)
???????????????:??