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

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

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

????????????????????,?“?”,???

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

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

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

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