各位大神,这段话什么意思啊?小弟实在看不懂!The absence of direct experimental data has given rise to the coexistence in the literature of very different hypothesis ranging from models based on a totally random distribution of ionic b

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各位大神,这段话什么意思啊?小弟实在看不懂!
The absence of direct experimental data has given rise to the coexistence in the literature of very different hypothesis ranging from models based on a totally random distribution of ionic bonds to those based on zones rich in modifier cations which alternate with less rich zones.

由于缺少直接试验数据,导致文献中同时存在多种大不相同的假设,既有基于离子键完全随机分布的模型,也有基于改性阳离子富集区与非富集交替的模型.
大概这个意思吧.