Physicists call such phenomena "emergent" because they depend on a multiplicity of relatively simple interactions.

物理学家管这样的现象叫作“突现”；“突现”其实是大量相对简单的反应相互叠加作用的结果。

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Therefore, to the big bang model different medium in the light path represents a particle in space and time, this is the life among physicists call "world line" things.

因此，异向介质大爆炸模型中光的路径代表了一个粒子处于空间和时间之中的寿命，这就是物理学家称之为“世界线”的东西。

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These two properties define what physicists call the "figure of merit" of a thermoelectric substance, which describes the power a device made of that substance could generate.

这两种属性决定着热电材料的“品质因数”。“品质因数”是用来描述用热电材料所制成的元器件的输出功率的单位。

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More powerful particle accelerators atom smashers, they used to call them have allowed physicists to learn ever more about the sub-atomic particles that are the basic building blocks of all matter.

VOA: standard.2010.03.05

Physicists call these causal loop paradoxes, and they affront our desire for the universe to be a rational and ordered system.

CNN: Time travel: Can it really be done?