冻土

The diversity of temperature is an important factor for tympanites to occur in highway roadbed.

温度差异是高原土地区公路路基发生翻浆的一个重要因子。

"These permafrost deposits are now melting and releasing their methane," said Maslin.

“这些土中的沉积物开始融化，并释放出甲，”麦斯林说。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着土带消溶和分崩离析，热喀斯特现象大量出现，埋藏于地下的（甲等）温室气体可能散发到大气中。

Suitable parameters of perimeter blasting were obtained with good results.In the final, the paper discussed the blasting mechanism of the frozen soil and the blastin...

通过试验获得了较好效果下周边爆破的适宜参数,并对土的爆破机理和爆破对结管的题进行了探讨。

As the industry puts more and more focus on developing and utilizing oil and gas resources in the paramos and permafrost zone, pipeline construction in the areas will be definitely accelerated.

摘要随着开发和利用高寒及多年土区油气资源的热潮来临，多年土区管道建设的步伐必将加快。