名词
中文翻译：Unknown
同义词：
['laser focus', 'laser beam focusing', 'laser beam alignment']
例句：
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1. The linac is used for precise radiotherapy treatments.
这种激光器用于精确的放射治疗。
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2. The team successfully focused the beam to deliver a targeted dose.
团队成功地将光束聚焦，以提供目标剂量。
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3.During the operation, the surgeon carefully focused the laser on the tumor.
在手术中，外科医生小心地将激光聚焦在肿瘤上。