如果要将一带电体看作点电荷 则该带电体的___ If an electric body is to be regarded as a poin
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如果要将一带电体看作点电荷，则该带电体的___ If an electric body is to be regarded as a point charge, then the charged body is___
A．线度很小； the linearity is small;
B．电荷呈球形分布； the charge is spherical;
C．线度远小于其它有关长度； the linearity is much less than the other relevant length;
D．电量很小； the electric quantity is very small;
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