下列说法中正确的是 A.α粒子散射实验证明原子内是“实体 的b.氢原子的�射光谱是线状谱c.镉棒在裂变反应堆中起减速中子的作用d.轻核的 Template




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tomski下列说法中正确的是 a.α粒子散射实验证明原子内是“实体 的b.氢原子的�射光谱是线状谱c.镉棒在裂变反应堆中起减速中子的作用d.轻核的 coloring