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单词 tree ring
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tree ring

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Examples of 'tree ring' in a sentence
tree ring

However, the historical perspective provided by the tree-ring data still came as a shock.This proved to contain five calculations of what the graph would have looked like without any tree-ring samples from bristlecone pine trees.Yet the tree-ring reconstruction indicates that even the best-planned colony would have been challenged by the climatic conditions of 1606 to 1612.The timbers were still green, and tree-ring studies show that all the oak uprights were felled in the same winter months.Recently she experimented with a netting fabric to build layers of tree rings.Scientists have been able to pinpoint droughts in previous centuries by studying tree rings.Evidence of activity levels is also stored in tree-rings and ice-cores.Ice cores, tree rings and supercomputer climate models.Porites are huge corals and were chosen because they have annual density bands, similar to tree rings.But when there is plenty of rain, the trees grow well and their tree rings are wider.
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更新时间:2024/11/11 7:56:45