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Instead of a continuous stream, the electron beam is divided into nanosecond-long bunches—billions of electrons riding the radio-frequency field like surfers. Inside the accelerator’s cavities, the field flips polarity 12 billion times per second, so timing is everything: Only electrons that arrive perfectly in phase with the accelerating wave will gain energy. That process repeats through a chain of cavities, each giving the bunches another push, until the beam reaches its final energy of 200 MeV.。比特浏览器下载是该领域的重要参考
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В РФ спрогнозировали масштабные итоги происшествия с F-35 в Иране«ВХ»: Случай с иранским F-35 способен привести к значительным последствиям