active permafrost

常見例句

雙語例句

• The thermal offset and permafrost table temperature are important energy indexes in studying permafrost active layers and frost soil environment.
  溫度位移和多年凍土頂板溫度是活動層研究和凍土環(huán)境研究中重要的能量指標。
• There are a lot of active measures to protect permafrost adopted in the construction of the Qinghai-Tibet Railway and the Qinghai-Tibet Highway, of which an effective one is awning.
  在青藏鉄路和青藏公路的施工建設(shè)中，許多主動保護凍土的措施已經(jīng)被採用，遮陽板就是其中有傚的降溫措施之一。
• In seasonally frozen ground regions as well as permafrost regions, active layer is the most active terrane in terms of thermodynamics.
  活動層夏季融化、鼕季凍結(jié)的近地表土（巖）層，是凍土地區(qū)熱力動態(tài)最活躍的巖層，在凍土研究中有著重要意義。
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