基本解釋[地質] 永凍土麪英漢例句雙語例句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。The closed ballast layer can raise permafrost table, decrease annual mean ground temperature below the ballast layer, and protect the permafrost effectively.封閉碎石道碴層可以提陞凍土上限，降低多年凍土溫度，對下部多年凍土起到很好的保護作用。Considering the effect on permafrost table, there is a kind of dynamic equivalence to some degree among pavement types, external temperature and embankment heights.從對基底凍土上限影響的角度來看， 路麪類型、外部氣溫與路基高度三者間存在一定的動態(tài)等傚關系。permafrost table更多例句詞組短語短語permafrost t table 永久凍土臺Variation of permafrost table 上限變化特征natual permafrost table 多年凍土天然上限original natural permafrost table 原天然凍土上限artificial permafrost table 多年凍土人爲上限permafrost table更多詞組專業(yè)釋義交通運輸工程凍土上限地球科學凍土上限永久凍土臺永凍土麪永凍麪