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当外磁场强度B0逐渐增大时,质子由低能级跃迁至高能级所需要的能量:( )。
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当外磁场强度B0逐渐增大时,质子由低能级跃迁至高能级所需要的能量:( )。
A、发生变化
B、渐变小
C、渐变大
D、能不变或变小
时间:2021-09-02 17:18
关键词:
含弘慕课
辽宁中医药大学
中药学
答案解析
B
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