By ceiling, we mean the highest amount or maximum value of, for example, memory you can use and still make practical use of the system.

所谓上限，我们指的是您可以使用并且目前为止实际用于系统的内存的最大值或最高使用量。

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The basic category of the Chinese philosophy-"harmony" thought reflects as the world view of "harmony between man and nature" and the highest principle of value of "the doctrine of the mean";

中国哲学的根本范畴“和谐”思想集中体现为“天人合一”的宇宙观和“中庸之道”最高价值原则；

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