瑞士国家森林、雪和景观研究所的乌尔夫邦特，他带领的科学团队研究了德国、法国、意大利和奥地利的树木样本。

The scientists, led by Ulf Buntgen of the Swiss Federal Research Institute for Forest, Snow and Landscape, studied tree samples from Germany, France, Italy and Austria.

youdao

瑞士国家森林、雪和景观研究所的乌尔夫邦特，他带领的科学团队研究了德国、法国、意大利和奥地利的树木样本。

The scientists, led by Ulf Buntgen of the Swiss Federal Research Institute for Forest, Snow and Landscape, studied tree samples from Germany, France, Italy and Austria.

youdao