Through tests and exploration, the cause of vacuum fluctuation in summer was found, in the direct air cooling unit, the output of vacuum pump had obvious influence on the variation of vacuum.
经过试验和探索，找到了夏季真空波动的原因，在直接空冷机组中，真空泵出力对真空的变化有明显的影响。
The general formula of phase fluctuation are given for the squeezed vacuum of Light. The properties of squeezed vacuum of light are found.
本文对压缩真空态的相位涨落进行了计算，给出了一般表达式，发现了压缩态的一些性质。
The general formula of phase fluctuation are given for the squeezed vacuum of Light. The properties of squeezed vacuum of light are found.
本文对压缩真空态的相位涨落进行了计算，给出了一般表达式，发现了压缩态的一些性质。
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