名词
中文翻译：未偏转的光束
同义词：
['undeviated beam', 'unbent beam']
例句：
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1.The scientist used an undeflected beam of light to study the atom.
科学家使用一束未偏转的光束来研究原子。
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2. The beam of light was undeflected by the magnetic field.
光束没有被磁场偏转。
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3. The beam of light was directed towards the target.
光束被定向到目标。