This results in a very different perception of time. There's no sense of fighting fatigue before it's time to quit for the night.

这是一种完全不同的体验，你不会感觉到特别疲劳而休息整晚。

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To achieve this ultimate goal however, developers need to simulate the perception of being physically present in a virtual environment, and we call this the sense of presence.

然而为实现这终极目标，开发者需要在虚拟现实的环境中模拟身体的知觉，我们称着为存在感。

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The conditions of knowledge, the aspects of it in human beings, depends also on the mind in a kind of "apriori" way, in forms and categories that are present, even before sense perception takes place.

知识的条件下，人类有的方面，还取决于在头脑中的“先验”的方式，形式和类别的存在，善良，甚至在感知觉发生。

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To me, on this side, your anger is a failure of perception, your sense of betrayal a sign of the unawakened heart.

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Perception, observation, knowledge, a sense of certainty and the quiet confidence that the work one is accomplishing is worthwhile in the broadest sense will be found present.

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It can give you a sense of control, of purpose, it can shake up your perception of time, offer the space to expand cultural horizons and allow the kind of relaxed break everyone needs to refuel.

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