名词
中文翻译：四元体
同义词：
['quadrupole', 'octopole例句：1. The quadratron is a crucial component of the particle accelerator.（四极体是粒子加速器的关键部件。）']
例句：
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1. The quadratron is a crucial component of the particle accelerator.
四极体是粒子加速器的关键部件。
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2.The quadratron has been used in various experiments to study quantum mechanics.
四极体被用于各种实验中，以研究量子力学。
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3. The quadratron is responsible for the alignment of the beams in the particle accelerator.
四极体负责粒子加速器中束流的对准。