basic AS基础自动化系统basicadj.基本的；基础的；初级的；含硅少的n.基础；根本；[计]BASIC语言basic flowchart基本流程图basic judgments基本判断basic partition基本分区basic principle基本原理Basic seedlings基本苗basic necessity基本需要basic fragrance基础香味Basic treatment基本医疗basic procedure基本程序basic electrode碱性焊条,碱性被覆焊条

1. Jianchaling gold deposit is closed related to the Jianchaling ultrabasic rock mass.
   产出部位与超基性岩有关，属构造蚀变岩型金矿床。
2. The basic rock material is usually finely crystalline and is referred to as the matrix.
   基性岩石物质具有完美的晶体结构，一般构成基质。
3. Alkaline rocks and alkalic rock related gold deposits have become a new researching topic on mineral deposit geology.
   碱性岩及其相关的金矿研究已成为一个新的研究热点。