词典释义：
双语例句
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Conclusions Observation of the development of ovarian follicle by transvaginal color Doppler flow imaging is helpful to improve regnancy rate.
结论 经阴道超声多普勒监测卵泡生长发育，观察子宫内膜厚度及螺旋动脉血流阻力指数，可指导临床提高受孕率。