Task: Translation
Input (Chinese): 容器玻璃具有较高含量的氧化镁和氧化钠作为平板玻璃和较低含量的二氧化硅，氧化钙和氧化铝。
Output (English): Container glass has a higher magnesium oxide and sodium oxide content than flat glass , and a lower Silica , Calcium oxide , and Aluminum oxide content .