?? ????“???????????”????
![](https://image.chezhanri.com/2019/0719/20190719114141843.jpg)
????:1???????:????200????????
2?2023????
3????????
4???spa??????
5?????????????
??6?????16?????????????????????? (??????????????????? ??????????????)????????????????16??,??????????????????????????,?????6mK(?????????-273.144?),????????????????????????
?????????????,???????????????????????,???????????????????????????,?????????????“????”(?273.15?)???????????????????,???????????????????????????????????????????????,????????
??,??????????,??1mK,???????????????????????????6mK-200mK??????????,??,???????????????,?????????????????20mK????,??????????????,??????????????????????,???,???????
??,???????,????????????????,?????????????(???????????????) ???????????????????????:???????????????????????????