Examlex
What type of particle accelerator has two large D-shaped electrodes with a small gap between them,through which an alternating potential difference accelerates the particles in a constant magnetic field?
Germany
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United States
A country located in North America, consisting of 50 states and a federal district, known for its large economy and diverse population.
China
The world's most populous country, located in East Asia, known for its vast history, significant economic growth, and as a major player on the global stage.
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