economic infestation level 经济危害允许水平
·2,447,543篇论文数据,部分数据来源于NoteExpress
When CD4 + t cells in the blood reduced to critical level, they become increasingly vulnerable to disease infestation.
当CD 4 + T细胞在人的血液减少到临界水平,他们越来越容易受到疾病的侵扰。
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