英语语法分析

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。

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。

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.

镁是可被人体吸收的常量元素，且具有较高的比强度和比刚度，在医用植入材料领域具有广阔的应用前景。