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A device that focuses beams of gamma rays on a precise point within the brain or other part of the body in order to destroy abnormal tissue.
1970s; earliest use found in New Scientist.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。