They then used local snowfall records to find the relationship between precipitation and the proportion of heavy oxygen in tree rings for the years covered by the weather records.
他们然后使用当地的降雪记录来寻找有气象记录的年代里降雪量和树木年轮中氧元素同位素的比率之间的关系。
2
When the lunch bell rings at Cape Cod Academy, students line up for a weekly treat — food from Great House, a local Chinese restaurant.
当科德角学院的午餐铃声响起的时候，学生们在当地的一家中餐馆外排队，等待每周一次的美餐。
3
We discuss 0K for the rings having local identities, in particular, we extend some classical results on 0K of a ring.