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一个脉泽就是一组分子(在这个话题下就是水分子),它会把光线放大为强大的光束。
A maser is a collection of molecules — in this case, water — that amplifies light into a powerful beam.
youdao
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一个脉泽就是一组分子(在这个话题下就是水分子),它会把光线放大为强大的光束。
A maser is a collection of molecules — in this case, water — that amplifies light into a powerful beam.
youdao