The dominant leadratio found in Greenland snow matched that found in gasoline from the United States.
在格陵兰的雪中发现了大量的铅，其含量与在美国汽油中发现的相当。
2
That would lead to the plant in its shade sensing an unusual ratio.
这将导致处于阴影中的植物感知到一个不寻常的比例。
3
Measurements to determine the ratio of the stick figure limbs, in addition to comparisons with other early human representations, lead the researchers to support the woman interpretation.