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