A lowest no-load temperature of 13.8 K has been obtained for the first stage without thermal connector, which is a new record for the single-stage pulse tube cooler.
在没有热桥连接的情况下，单独测试第一级最低制冷温度达到13.8K，这是单级脉管制冷机获得的最低制冷温度新纪录。
A lowest no-load temperature of 13.8 K has been obtained for the first stage without thermal connector, which is a new record for the single-stage pulse tube cooler.
在没有热桥连接的情况下，单独测试第一级最低制冷温度达到13.8K，这是单级脉管制冷机获得的最低制冷温度新纪录。
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