英语语法分析

In all the nucleolar cycle, nucleolar FCs and DFCs structure changed.

在整个核仁周期中，核仁的FC和DFC结构组分发生变化。

Conclusion the activity of nucleolar organizer regions increasing is one of the important factors causing spontaneous abortion.

结论细胞核仁形成区活性增高是引起反复自发流产的重要因素。

The nucleolus has been studied for a long time but there have been still many arguments about nucleolar structures and function.

虽然人们对于核仁的认识已经有很长的历史了，但是人们对于核仁结构和功能方面的认识仍然有很多不同的意见。