1.Microscopic examination of this sludge reveals that it is formed by a heterogeneous population of microorganisms.
微观检验这些污泥，发现它们是由异质微生物群体所构成的。
2.Endothelial cells(ECs) consist of a heterogeneous population covering the entire inner surface of blood vessels.
内皮细胞是一衬覆于血管腔内表面的异质性群体。
3.Like many epithelial tumors, head and neck squamous cell carcinoma (HNSCC) contains a heterogeneous population of cancer cells.
许多上皮细胞瘤包含异质性癌细胞群体，头颈鳞状上皮细胞肿瘤（癌）（HNSCC）也不例外。