世界上最强大的X光机是高能量物理学的一种副产品。
The world's most powerful X-ray machines are a byproduct of high-energy physics.
在物理学中，运动的物体有两个特征与理解能量系统动力学相关：惯性和动量。
In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum.
为了目睹这种效应，物理学家首先需要吸出每一个可能的量子，让光束处于能量最小的“基态”。
To see such effects, physicists first have to suck out every possible quantum and leave a beam in its least-energetic "ground state".
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