而在大多数癌症病例中，医生们的治疗仍然基于人体中肿瘤出现的位置，而不考虑究竟是哪几种分子畸变导致了肿瘤的发生。
Yet in most cases of cancer doctors still base their treatment on where in the body a tumour has sprung up, rather than on which molecular aberrations have caused it.
钬离子诱导蚕豆根尖细胞染色体畸变和微核产生的分子机制主要为DNA断裂作用。
The molecular mechanism for chromosomal aberration and micronuclei induced by holmium ions was most probably DNA breakage to root-tip cells of vicia faba.
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