无限深势阱就是说这种假想的场在两壁处,场强无穷大,场力指向阱中;而在其它所有地方场强都为0
回答: 在极短的时间内,阿尔法粒子会突然从旁边(也可以说是不知从什么地方)“借”来一点能量,穿过了原子核的势垒(势垒,也就是被我们刚才比
由 marketreflections
于 2010-03-24 10:05:38
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