????:1??????????:??????

2??????????

3?????????

4?????????

5????????

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

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

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

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

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