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