... cubo octahedron 三次八面体 Aluminum octahedron 铝八面体 octahedron clusters 八面体原子簇 ...
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The results showed that tetrahedron and octahedron are the main forms of aluminum-oxide polyhedron in raw fly ash, and they exist in a multi-structural surrounding.
结果表明：粉煤灰中铝氧多面体主要以四面体和八面体形式存在。
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