It was a round about the size of a crown piece 这是一枚银币大小的圆纸片。
2.
The higgs is the still missing crowning piece of the so - called standard model ? the theoretical framework that describes subatomic particles and their interactions 在所谓标准模型，也就是描述基本粒子与其交互作用的理论架构中，希格斯粒子是最后一个还没找到的关键元素；按道理，希格斯粒子能赋予其他粒子质量。
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