英语语法分析

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。

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。

Make Periodicity technology training to worker.

对工人进行工艺培训。