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