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

2??????????

3?????????

4????????

5?????

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

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

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

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

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