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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.
。新收录的资料是该领域的重要参考
Each depth level stores its moves in separate indexed \csname slots (mm@0@mf@N, mm@1@mf@N, mm@2@mf@N) because the inner search clobbers the global move-tracking variables. After returning from an inner search, the current move must be re-read from its csname storage:
He found it especially disturbing that Lucy was about the same age as his own daughter, and new photos of her being assaulted, seemingly in her bedroom, were constantly appearing.
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