tibet plateau permafrost

基本解释

The paper briefly discusses the main factors influencing the permafrost table and the main methods of determining the upper limits for the permafrost table in Qinghai-Tibet Plateau.
簡述了影響高原凍土上限的主要因素以及確定凍土上限的主要方法，探討了凍土上限變化的計算公式。
Based on construction practice, the paper analyzes deformation of railway embankment in permafrost zone in Qinghai-Tibet Plateau, centering on monitoring method for embankment deformation.
結郃工程實例，簡要分析在青藏高原多年凍土區脩建的鉄路路堤易遇到的變形問題，重點探討路堤變形的監測方法。
Ecological environmental impacts of highway projects in permafrost areas of Qinghai-Tibet Plateau are mainly demonstrated as a series of ecological deteriorations resulted from permafrost degradation.
青藏高原多年凍土地區公路建設項目的生態環境影響主要表現爲因凍土退化而造成的一系列生態環境破壞。