There existed two common factors called macroelement factor and trace element factor, which indicate the contents of macroelements and trace elements in the plants respectively.
因子分析中认为存在大量元素与微量元素两个公共因子，分别代表着植物中大量元素与微量元素的含量状况。
2
Sulfur is an essential macroelement in the development of plant, affecting the process of growth regulation, detoxification, defence and stress tolerance, as well as quality of crop.
硫是植物生长必需的大量元素，在植物的生长调节、解毒、防卫和抗逆等过程中起作用，并影响作物的品质。
3
Magnesium is a macroelement that can be absorbed by human bodies, and with high specific strength and stiffness, it has a broad application prospect in the field of medical implant materials.