对肿瘤抗原的认识历经了多个阶段，最后终于确定了它们的存在并以肿瘤排斥性抗原肽(TRAP)为研究的主要方向。

It has taken several periods before the existence of tumor antigens are proved and their new direction is considered as tumor rejection antigen peptides (TRAP).

youdao

对肿瘤抗原的认识历经了多个阶段，最后终于确定了它们的存在并以肿瘤排斥性抗原肽(TRAP)为研究的主要方向。

It has taken several periods before the existence of tumor antigens are proved and their new direction is considered as tumor rejection antigen peptides (TRAP).

youdao