#解釋中子和質子的組成,以及帶電量。
 
#解釋中子和質子的組成,以及帶電量。
 
#*質子是由帶電量2/3的兩個上垮克和帶電量-1/3的下垮克組成。
 
#*質子是由帶電量2/3的兩個上垮克和帶電量-1/3的下垮克組成。
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