Thus, the boron-bearing rock system and the magnesian rocks are the foundation of the borate deposits, whereas regional metamorphism and migmatitization and tectonism are the necessary conditions.
含硼
系、镁质
石
硼形成的物质基础，区域变质及混合化作用、构造活
硼形成的必要条件。
Thus, the boron-bearing rock system and the magnesian rocks are the foundation of the borate deposits, whereas regional metamorphism and migmatitization and tectonism are the necessary conditions.
含硼系、镁质石硼形成的物质基础，区域变质及混合化作用、构造活硼形成的必要条件。
声明：以上例句、词性分类均由互联网资源
成，部分未经过人工审核，其表达内
亦不代表本软件的观点；若发现问题，欢迎向我们指正。
