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

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

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

????????????????????,??“????”,???

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

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

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

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