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Visualization of the global atomic structure and local atomic structure: (a) global atomic structure of the sample with the TiO2 content of 35 wt % and the basicity (CaO/SiO2, mol %) of 1.7; (b) the basic unit of the atomic structure of the system with the sufficient CaO; (c) the basic unit of the atomic structure of the system with gradual decrease of CaO; and (d) influence of TiO6 tetrahedrons on TiO6 octahedrons’ bond angles.
