柯林斯英汉双解大词典
alpha particle
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1.
N a helium-4 nucleus, containing two neutrons and two protons, emitted during some radioactive transformations 阿尔法粒子
双语例句原声例句
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This is the analogy to the alpha particle.
这和阿尔法粒子类似。
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Upon gaining two electrons the alpha particle becomes a helium atom.
粒子获得两个电子之后就变成了氦原子。
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And there he was able to identify the alpha particle as the helium nucleus.
他证实了，阿尔法粒子就是氦核。
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And there he was able to identify the alpha particle as the helium nucleus.
他证实了,阿尔法粒子就是氦核。
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This is the analogy to the alpha particle.
这和阿尔法粒子类似。
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So basically he's trying to put some atoms in the way of the alpha particle.
把一些原子,放在alpha粒子的路径上。
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