名词
中文翻译：定向辐射
同义词：
['guided radiation', 'directed energy']
例句：
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1.The research team used a directed radiation to map the underground cave system.
研究小组使用定向辐射来绘制地下洞穴系统。
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2. The medical team directed the radiation beams to treat the patient's cancer.
医疗团队指导放射线束治疗患者的癌症。
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3. The scientists used a directed radiation to study the properties of matter.
科学家们使用定向辐射来研究物质的性质。