For example, both crystalline and glassy forms of silica (SiO,) have structures with each si surrounded by four oxygen atoms, and each o by two si.
例如，晶体二氧化硅和石英结构的二氧化硅是每个硅原子被四个氧原子所包围，每个氧原子周围有两个硅原子。
If the strain exceeds the tolerable limit, the Si-O-Si linkage can break easily at high temperature and lead to the creation of positive and negative charges on silicon and oxygen atoms, respectively.
如果张力超过耐受极限，硅氧烷键就很易在高温下发生断裂并在硅和氧原子上分别形成正负电荷。
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