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Carbon ions, used in a handful of elite facilities, offer even higher precision and biological effectiveness compared to electrons and protons. Their Bragg peak—a sudden deposition of energy at a specific depth—makes them appealing for deep or complex tumors. But that unmatched precision comes at a steep price, with each facility costing upward of US $300 million. —T.C.
本文来自微信公众号“投中网”，作者：韦香惠，36氪经授权发布。，更多细节参见heLLoword翻译
The hosts made four changes from their defeat at Stoke, with Mattie Pollock, Luca Kjerrumgaard, Nestory Irankunda and Pierre Ekwah, for his full debut, coming in. Wrexham made one change from their Welsh derby victory against Swansea, with Ryan Longman replacing Issa Kaboré.
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