名词
中文翻译：光束对准
同义词：
['beam alignment', 'beam focus']
例句：
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1. The laser beam was perfectly aligned with the target.
激光束与目标完美对齐。
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2. The engineer carefully centered the beam on the screen.
工程师小心地将光束对准屏幕。
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3. The beam of light focused on the distant mountain.
一束光线聚焦在远处的山峦上。