因此把住这个人格成长关键期至关重要。

Therefore Bazhu this critical period of growth is essential personality.

关键期是胡麻苗期和蒴果形成阶段。

The key periods are seedling and fruit-formation period.

拔节—抽雄期是低温冷害影响冬玉米产量的关键期，另一个次关键期为抽雄—开花时段。

Jointingheading was the most critical stage in which cold damage affected the yield of winter sowing maize.

班级文化建设要抓住关键期，工作要有计划性、前瞻性和发展性。

The class culture construction should grasp the key period and our work should be able to plan, forecast and develop.