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

2???????????

3??????

4???????

5???????

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

??,????“????????????????????”,?????

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

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

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

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