Cross-dating technology in dendrochronology in arid region .

干旱区树轮年代学研究中的交叉定年技术。

Application of dendrochronology in the relationship of forest and environment .

年轮学应用於森林与环境的关系。

The purpose of this study was to apply the dendrochronology on the research of relationship between forest with environment .

本研究系探讨树轮科学如何应用在森林与环境关系之探讨。

Dendrochronology establishes the age and provenance of the wood ; three-dimensional x-rays show up exactly how thick and dense it is , millimetre by millimetre ; and spectrometers reveal the composition of the varnish .

树木年代学确定木材的年龄和木种源；三维x光显示木材到底多厚和密度是多少，精确到毫米；光谱分析仪揭示了清漆的成分。