英语语法分析

The changes in cyclin synthesis and MPF activity during oocyte maturation in vitro in gynogenetic silver crucian carp and amphimictic colored crucian carp were compared.

采用体外诱导卵母细胞成熟技术，比较研究了雌核发育银鲫和两性融合发育彩鲫卵母细胞成熟过程中周期蛋白合成和MPF活性变化情况。