单词relative-minor
网络: 关系小调；小调为例就系；关联小调
Radioactive particle can continuous affect the tumor by releasing ray with relative minor energy, and then kill the tumor cells thoroughly.
放射性粒子发射能量相对小的射线持续地对肿瘤细胞起作用，达到彻底杀伤肿瘤细胞的治疗效果。