肿瘤放射治疗作为一门新兴的学科，诞生至今已有百年的历史。

Radiation Oncology, which is a new subject, has a history over centuries.

youdao

肿瘤放射治疗作为一门新兴的学科，诞生至今已有百年的历史。

Radiation Oncology, which is a new subject, has a history over centuries.

youdao