1. We observed a clear periodicity in the number of whales stranded each year that coincides with a major climatic cycle. 我们观察到每年搁浅的鲸鱼数量有明显的周期性,这与一个主要的气候周期相吻合。
2. These data have established a strong connection between variations in the Earth's orbit and the periodicity of the ice ages. 这些数据已经建立了地球轨道变化和冰期周期之间的强有力的联系。
3. Commensurability is an extension of periodicity. 可公度性是周期性的扩张。
4. Periodicity of nuclear properties began to show up. 原子核性质的周期性开始显示出来了。
5. The periodicity hint is very sensitive to model quality. 周期提示对模型质量很敏感。