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????6???????????????????16???????????????? (???????????? ??????????????????????)??16??,??,??????6mK(??????????-273.144?),???????????????
?????????????,?????????????,??????????????????????,?“??”(?????????273.15?)????????????????,???????????????,???????????????????????
??????????????,??????????????????????????,????????????????????????????????1mK,??????????????????6mK-200mK?????????????????,?????????????????,????????????????????????????,???????????????????????20mK??,??????????????????????????,?????????????????????????????????,???????????????,??????
?,??????????????,????,??????(???????) ????:????????????????????