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

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

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

????????????,??“??”,???

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

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

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

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