Also known as network covalent bonding, network solid, infinite covalent lattice, covalent network, network covalent
chemical substance whose atoms are bonded by covalent bonds in a continuous network extending throughout the material
原子晶体指的是内部原子以共价键的形式连接并形成结构的固体物质。典型的物质有：金刚石、硅、二氧化硅、碳化硅等。特点是熔沸点很高，硬度大。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).