?? ???????????“????”????
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????:1???????:??????
2????????????
3?92????????
4???????????
5??????????
???????????????6???????????????????????16?????? (??????????????????? ??)????????????16?????????????????,??????????????,??6mK(??????????-273.144?),?????????????????
??,????????????,?????????????,???????“??????????”(????273.15?)?????,?????????,????????????????????????????????????
??,??????????????????????,?1mK,?????????????????6mK-200mK?????????????????,???????????????????,????????,??????????????20mK????????????????,?,?????????????????????????????????,???????,???????????????????????????
????????????????????????????????,?????,??,???????????????(??????????????????????????) ????????????????????????:??????????????