问题题干答案解析相关问题热门问题最新问题

问题详情

红外吸收光谱的产生主要是源于( )。

A、子中电子、振动、转动能级的跃迁

B、子中振动、转动能级的跃迁

C、子中转动、平动能级的跃迁

D、子中电子能级的跃迁

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

相关问题

boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.
A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.