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【单选题】
关于对元电荷的理解,下列说法正确的是:A.
元电荷就是电子
B.
元电荷就是质子
C.
元电荷是表示跟电子所带电荷量数值相等的电荷量
D.
元电荷是带电荷量最小的带电粒子
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皮皮学刷刷变学霸
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