英语语法分析

The strains showed no chemotaxis toward the carbohydrates.

菌株对糖类物质的趋化性最弱。

One is autologous chemotaxis, which occurs in low-cell-density situations or when the CCR7 receptor becomes activated.

一种是自体同源趋化作用(Autologous chemotaxis)，其发生于低细胞密度情形或CCR7受体变得有活性。

Its chemotaxis migration ability was really medium, and its chemotaxis mechanism was particularly described in this paper.

菌(假单孢菌)，其化学趋向性运动能力中等，趋向性机理在本文中得以详细描述。