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首頁英語詞典permafrostpermafrost實用場景例句

permafrost

英 ['p??m?fr?st] 美['p?m?fr?st]

英英釋義實用場景例句

n. 永久凍土，永久凍地；永久凍結(jié)帶；永久冰凍

實用場景例句

Thawing and refreezing each year, an active layer of soil lies over permafrost.: 覆蓋在永凍層上方的一層活凍層土壤,每年都會融化和重新凍結(jié).

Its stability is destroyed with longitudinal cracks of embankment caused by asymmetric settlement of permafrost.: 由于陰陽坡差異引起路基不均勻沉降而導(dǎo)致的路面縱向裂縫病害嚴重影響了路基的穩(wěn)定性.

It became entombed in the permafrost, where it remained until recently freed.: 它被掩埋在永久凍土層里, 直到最近才被挖掘出來.

An example of a tipping point is the thawing of the permafrost.: “氣候引爆點”的一個例子就是永久凍土層的融化.

As the permafrost melts, the land loses its capacity to absorb water.: 由于凍土融化, 陸地會失去吸水性.

Perhaps this is caused by the sudden melting of subsurface permafrost.: 可能是地下永久凍土突然融化所造成.

As permafrost gets warmer, it could become wetlands.: 永久凍土變得更加溫暖時, 將變成濕地.

Engineering damages of embankment in permafrost regions are mainly caused by thaw settlement of permafrost.: 摘要多年凍土區(qū)道路病害主要是由路基下凍土溫度升高融化下沉引起.

Vladimir Romanovsky permafrost expert also at the University of Alaska, Fairbanks, says the study is worrying.: 一名用凍土層專家,同樣來自位于費爾班克斯的阿拉斯加大學(xué), 稱研究令人擔(dān)憂.

Canadian researchers expressed serious concerns about the erosion of permafrost in the Arctic.: 加拿大研究人員對北極地區(qū)永凍層的侵蝕表示嚴重關(guān)切.

How much methane and carbon dioxide might be released from the rotting permafrost?: 一個腐爛的永久凍土層將釋放出多少甲烷和二氧化碳?

Frost crack is the main failuve of asphalt pavement in permafrost region.: 凍裂是多年凍土地區(qū)瀝青路面的主要病害.

Permafrost, cold, wind, and scant rainfall make it difficult for most and animals to survive here.: 永凍土, 寒冷, 風(fēng)和稀少的降水使得大多數(shù)動植物難以在這里生存.

Permafrost melt and lack of glaciers will make landslides and debris to produce greatly increased.: 凍土的溶化和缺少冰川會使山體滑坡和泥石流的產(chǎn)生機會大大增加.

Many underground pipelines are carried with heating tracer in permafrost region.: 分析了帶伴熱管的寒區(qū)埋地管道的幾何特性,建立了數(shù)學(xué)模型.

Instead of building directly over permafrost, they chose to build some parts on high bridges.: 他們不在凍土上直接修筑鐵路,而是選擇某些部份蓋在高架橋上.

This was a challenge, because the permafrost is barely permanent.: 這是一大挑戰(zhàn), 因為這里的凍土并非永久不變.

Lastly, the relations between the climatic limit of permafrost and modern climatic snowline are discussed.: 在此基礎(chǔ)上, 進而探討了中國現(xiàn)代氣候多年凍土線與氣候雪線之間的關(guān)系.

Thrawing frozen ground is the key to alluvial gold mining in Permafrost horizon.: 多年凍土砂金礦的開采,解凍是關(guān)健.

The permafrost is thawing now.: 正在解凍.

An example a tipping point is the thawing of the permafrost.: 一個例子就是永久凍土層的融化.

How much methane and dioxide might be released from the rotting permafrost?: 腐爛的凍土層將會向空氣中排放多少甲烷和二氧化碳?

They are distributed in polar permafrost horizons and submarine sediments.: 分布于極地永凍層和海底沉積層中.

The harder the material under the permafrost is, the larger the chamber charge required.: 永凍層之下的土壤越硬, 所需要的藥室裝藥量也越大.

The permafrost contains immense amounts of frozen organic matter that have been accumulating for millennia.: 永久凍土層經(jīng)過千萬年的累積形成,其中包含了巨量的凍僵的有機物.

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