The basic particles are in continual rapid motion.

基本粒子处于持续的高速运动之中。

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They were quite satisfied to have just these two basic particles.

他们对仅有两种基本粒子这一点非常满意。

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The interactions among basic particles are studied according to the quantum mechanics.

依据量子力学，研究了基本粒子间的相互作用。

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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

The candidates for dark matter come in two basic sorts: largish chunks, or darting, sub-atomic particles in unimaginable abundance.

ECONOMIST: The dark side of cosmology