?? ??????????????????????
????:1?????????????:????????
2???????
3???????????
4??????????
5????????????
????6?????????????11?? (?????? ?????)??????????11??,????????????????????SL1000?????????????????,?????
??,??????????????????????????“?????????????????????????”,????????
?????????????,?(??)??,??????????????840??????????????????????,????????????????100+???
?????,?????????????????,???????????????????????,???
??:“??????SL400????100mK(-273.05?)???????????????????400?,???????????????SL1000??1000????????????????????,????????????????1.5????????????3????????????????”
??????,?SL1000?????????,?????,????????????????????“????”??“??”?(????) ?????????????:??