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

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

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

?????????????????,??“????”,???

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

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

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

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