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荧光物质的分子一般都含有( )
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荧光物质的分子一般都含有( )
A、离子键
B、共轭双键
C、氢键
D、金属键
时间:2021-09-01 23:52
关键词:
青书学堂
齐齐哈尔医学院
分析化学
答案解析
B
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荧光物质的分子一般都含有( )
荧光物质的分子一般都含有( )
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