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

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

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

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

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

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

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

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