英语语法分析

The objective is to explore the role of efflux pump in drug resistance to fluoroquinolones in Stenotrophomonas maltophilia.

目的是探讨外排泵在嗜麦芽窄食单胞菌中对氟喹诺酮类药物的耐药性中的作用。

Contracture occurs when the efflux of calcium is prevented by removing the extracellular sodium.

如果除去细胞外液的钠而阻止钙外流，就会出现肌肉挛缩了。

Study and determine efflux nozzle of performance become the focus that technical staff pays close attention to.

而研究决定射流性能的喷头成为技术人员关注的热点。