以穿透人工基底膜能力为依据筛选具有体外高侵袭能力的膀胱癌细胞，观察侵袭与转移的关系。

Using a specially constructed in vitro invasion chamber cells that penetrate the Matrigel were selected and cultured to establish offspring cell lines.

youdao

以穿透人工基底膜能力为依据筛选具有体外高侵袭能力的膀胱癌细胞，观察侵袭与转移的关系。

Using a specially constructed in vitro invasion chamber cells that penetrate the Matrigel were selected and cultured to establish offspring cell lines.

youdao