basic ion正离子,碱离子,阳离子basicadj.基本的；基础的；初级的；含硅少的n.基础；根本；[计]BASIC语言Basic Electronics Maintenance Trainer基本电子保养训练师Basic Methods of Culturing Drosophila培养果蝇基本方法basic environment information of soil土壤基础环境信息Basic Principles of Mechanical Design机械设计基础Basic double frequency Buck converter基本双频Buck变换器basic contradiction of religious need宗教需要的基本矛盾basic accelerationmagnitude of design设计基本加速度值Basic Local Alignment Searching Tools还有最重要的序列相似性检索的工具Basic and Applied Forensic Toxicology基础与应用法医毒物学Basic management must be strengthened必须强化基础管理