??????????????????????

????:???????:??????????

????6?????????????11???????????????????? (?????????????? ??????)??????????????????????11????,????????????????????SL1000??????,??????

??????,????????????“?????????????????”,?????????????????

??,??(??????)??,??????????????????????????840?,?100+????????

??,?????????????,????????????????????,?????????????????

???????????????????????:“??SL400????100mK(-273.05?)??400???????????????,?SL1000??1000??,?????????????????????????1.5??????3?????”

?????????????,??????????SL1000?????????????????????????,????????????,????????????????“??”???“??”?(??) ???:?????