评述版通常建立最后写作，阶段的文本。
Critical editions usually establish the text of the last writing stage.
Be ta版通常不值钱，因为是还没完成的产品，但它同时也有能被销售的生财要素。
Beta versions are often de-valued because they are incomplete, but they also possess generative qualities that can be sold.
CPUfreq在RHEL 5.2中是默认启用的(在其他分发版中通常也是启用的)。
CPUfreq is enabled by default in RHEL 5.2 (it's normally enabled as well in other distributions).
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