芳香环谱带的相对强度和频率对于镧系元素原子序数的依赖关系表明双-双效应的存在。
The dependence of relative intensity and frequency of bands of aromatic ring on the atomic number of lanthanides indicates the presence of a double-double effect.
序数是否也存在符号效应以及跨文化差异等问题有待进一步研究。
What is the cultural difference of ordinal number and its neural corr…
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