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

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

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

?????,???????????????“????”,???????????????

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

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

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

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