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超声分子束
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超声分子束
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超声分子束
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supersonic molecular beam
超声分子束
气体从高压容器通过一个小孔进入真空腔体时,发生绝热膨胀而形成的一束定向运动并且速度超过音速的粒子流(分子束中的分子,包括狭义意义上的原子、分子、自由基、离子等)。
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supersonic molecular beam
超声分子束
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