primary low主气旋primaryadj.首要的；主要的；初级的；初等教育的；根本的；初期的n.第一位；初选；最主要者；要素；原色；初级线圈primary pump variable volume一次泵变流量Primary Staff Action Officer主要执行参谋Primary Communication Office邮袋管理处primary photometric standard光度基准primary lithium battery pack一次锂电池组primary gastric cancer cells胃癌原代细胞Primary health care provider基层医务人员primary agricultural product初级农产品primary afferent termination初级传入末梢Primary skeletal muscle cell骨骼肌细胞

1. The constant current coulometry was established for determination of aromatic primary amine drugs.
   用恒电流库仑法测定芳伯胺类药物含量。
2. Because of these two points, we use different primary amines and different counterions.
   因此本论文采用伯胺进行相关研究。