The cations with high positive charge and small ionic radii are suitable to forming hard glasses, and those with low oxidation state and large radii are suitable to forming soft glasses.
具有高正电荷，小离子半径的阳离子适合形成硬质玻璃，而那些低氧化态、大离子半径的阳离子则适合于形成软质玻璃。
The cations with high positive charge and small ionic radii are suitable to forming hard glasses, and those with low oxidation state and large radii are suitable to forming soft glasses.
具有高正电荷，小离子半径的阳离子适合形成硬质玻璃，而那些低氧化态、大离子半径的阳离子则适合于形成软质玻璃。
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