Task: Translation
Input (English): Container glass has a higher content of magnesium oxide and sodium oxide as flat glass and a lower content of silica , calcium oxide and aluminum oxide .
Output (Chinese): 容器玻璃比平板玻璃具有更高的氧化镁和氧化钠含量，并且具有更低的二氧化硅，氧化钙和氧化铝含量。