n.中子
Proton and neutron form a charge doublet. 质子和中子构成电荷双重态。
Neutron has no charge, either positive or negative. 中子不带电荷,既不带正电荷,也不带负电荷。
Let us calculate first how much energy is released when a free neutron decays. 让我们首先来计算一个自由中子的衰变会释放出多少能量。
名词neutron的复数形式.
n.反中性子
