calcium silicon [材] 硅钙合金 ; 硅钙 ; 硅化钙
Calcium silicon-phosphate 硅磷酸钙
ferro silicon& calcium silicon 硅钙合金
rare earth calcium-silicon 稀土钙硅铁合金
Standard Specification for Calcium-Silicon Alloys 硅钙合金的标准规范 ; 硅钙合金钢技术规范
Some are very characteristic absorption lines: some for hydrogen, some for calcium, some for silicon, some for magnesium and so on.
有些是非常，典型的吸收线：，有些代表氢元素，有些代表钙元素，有些代表硅元素，有些代表镁元素等等。
The lunar soil (regolith) contains iron, aluminum, calcium, silicon, titanium, and oxygen, as well as trace amounts of lighter elements such as carbon, sulfur, and nitrogen.
月球的土壤(风化层)含有铁、铝、钙、硅、钛和氧等元素，此外还发现有大量较轻元素如碳、硫和氮等。
The second most abundant element is silicon at 27 percent, followed by aluminum at 8 percent, iron at 5 percent, calcium at 4 percent, and sodium, potassium, and magnesium at about 2 percent each.
第二丰富的元素是硅，占到27%，再其次是铝、占8%，铁5%，钙4%。硫、钾和镁每种占大约2%。
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