This is evidenced by narrow tree ring patterns of past passages of planet X.

证据是行星x过去过境地球时所留下的狭窄树状环形物。

The results showed that the segmentation effect of the method on tree ring images was very ideal.

并运用该方法对落叶松的年轮图像进行分割，结果表明，该方法对树木年轮图像的分割效果非常理想。

Changes in tree ring growth from coastal old-growth also suggest a sudden, widespread subsidence and drowning of roots.

沿海原始森林的生长变化也暗示地面普遍沉降以及树根淹溺。

The results. h. w that under pollution condition, tree ring width and its element content varied sharply, which are closely …

追溯和重建沈阳地区的生态环境变迁史，揭示城市环境质量与树木年轮变异之间的相关规律。

To gauge precipitation, they looked at tree ring widths in lower-elevation oaks, which grow faster in years with higher levels of rainfall.

而为了测定降水量，他们则对长在低海拔地区的栎树的年轮宽度进行研究，因为这些树在雨水比较充沛的年份长得更快。