英语语法分析

Methods Vascular smooth muscle cells were cultured by explant method.

方法血管平滑肌细胞采用组织贴块法培养。

The explant tissue culture was compared with the typsin digestion culture.

对比了组织块培养和消化培养两种培养方法。

Methods: The different parts of explant of Gynura segetum were made induced culture.

方法：不同部位菊三七外植体进行无菌苗的诱导培养。