基本解釋[交通運(yùn)輸工程]多年凍土區(qū)凍土路基多年凍土地區(qū)[地球科學(xué)]多年凍土區(qū)英漢例句雙語例句This is the vegetational climate of arctic permafrost regions.這是北極永凍地區(qū)的植物氣候。There are 50 years history about subgrade construction technology and the relevant research in the permafrost regions.目前，針對級配碎石力學(xué)性能研究較少，在多年凍土地區(qū)的應(yīng)用研究還是空白。In the past 30 years, the values of freeze-thaw intensity (FTI) exhibited an increasing trend, which indicates that the stability of frozen ground has changed to some extent in the permafrost regions.近30年來高原地區(qū)凍融強(qiáng)度（FTI）呈現(xiàn)增大的趨勢，這在某種程度上表明高原多年凍土區(qū)凍土的穩(wěn)定性發(fā)生了變化；permafrost regions更多例句詞組短語短語roadbed in permafrost regions 凍土路基Patchy permafrost regions 島狀多年凍土roadbed damage in permafrost regions 凍土路基病害high -temperature and fine-grained permafrost regions 高溫細(xì)粒多年凍土區(qū)permafrost regions更多詞組專業(yè)釋義交通運(yùn)輸工程多年凍土區(qū)In this paper, the main principles in bridge design of the Qinghai-Tibet Railway, a railway passes through permafrost regions, are introduces. The adaptability and application of some foundations in permafrost regions are also analyzed.針對青藏高原多年凍土的特點(diǎn),提出了青藏鐵路多年凍土區(qū)橋梁設(shè)計主要原則,并對不同的基礎(chǔ)類型在凍土區(qū)適應(yīng)情況進(jìn)行分析,提出了適應(yīng)高原凍土性質(zhì)的基礎(chǔ)應(yīng)用,最后對鉆孔灌注樁的承載力,切向凍脹力和基礎(chǔ)沉降量的計算進(jìn)行介紹。凍土路基多年凍土地區(qū)地球科學(xué)多年凍土區(qū)