你只希望自己得到最好的是人之常情，但这是你的问题和压力的来源。

While it is normal that you only want the best for yourselves, that is the source of your problems and stress.

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例如，雕塑必须是稳定的，这就需要理解质量、重量分布和压力的特性。

Sculptures must, for example, be stable, which requires an understanding of the properties of mass, weight distribution, and stress.

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误差的一个来源是折射，即光束通过不同温度和压力的空气层时发生的弯曲现象。

One source of error is refraction, the bending of light beams as they pass through air layers of different temperature and pressure.

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More importantly, they can affect blood pressure as well, the strength of your heartbeat and the pressure that your heart generates.

尤为重要的是,这也会影响血压,心跳的强度,和心脏能够输出的压力

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And so, again, we see a temperature increase, and we know the work, and the temperature increase, it's a constant pressure thing.

好，我们看到温度升高了，然后我们有做功量和温度的升高量，这是一个恒定压力下的值。

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So some of this seems to be, you're suggesting, a kind of a cultural convention and pressure.

所以其中部分因素，你暗示了，出自文化传统和压力。

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