给出了超有限因子到其中的套代数的对角上的忠实正常的条件期望的一个刻画，证明了超有限因子中的套代数的中心恰好是纯量构成的。
The description is given for the faithful normal conditional expectation from a hyperfinite factor onto the diagonal of nest algebra of the hyperfinite factor.
现代数据中心的一个主要问题是发热，这是我们决定选址在北部的另一个原因。
One of the major issues in a modern datacenter is heat, which is another reason we decided to locate in the north.
这是因为现代数据中心环境中的大多数系统是动态的，总是在不断地升级、改进和调优。
This is because most systems in a modern data center environment are dynamic and always under continuous upgrades, improvements, and tuning.
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