简述了江西修水网纹红土的岩性特征和形成时代，重点讨论了网纹红土中的植硅石及其古气候信息。
The paper briefly introduces the lithologic features, and accumulation age of the vermicular red earth and mainly elaborate phytolith in it and its paleoclimatic indication.
因此水稻植硅石具备纳米材料的独特性状：表面效应、小尺寸效应、量子尺寸效应和宏观量子隧道效应。
According to nanometer theory, rice phytoliths must have properties of nanometer materials: surface effect, small size effect, quantum effect and macro quantum tunnel effect.
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