英语语法分析

So, it prolongated the stage of N_2-fixing of soybean nodule and increased the soybean grain yield.

除增加根瘤的数目和根瘤重量、提高根瘤的固氮活性外，还能延长根瘤的固氮时期，提高籽实的产量。

Maximum liver accumulation was found after 6 h, suggesting a prolongated circulation of the nanoparticles in the bloodstream as compared to conventional MR imaging contrast agents.

在6小时后，肝内出现最高的蓄积，表明与常规的核磁共振影像造影剂相比，纳米颗粒在血流中有一个延长的循环时间。