This indirectdata can be compared with the direct data obtained from fossil records.
这一间接时间数据可与化石记录所反映的直接数据进行比较。
2
Most models were developed using indirectdata from other studies or even other species.
多数模型大量采用其他研究及其他种类的间接数据。
3
For earlier years, the two researchers relied on indirectdata such as ice cores, tree rings and the growth patterns of corals that they culled from other people's papers.