permafrost是什么意思

网络释义

用法例句

New understanding of permafrost melt could soon alter global-climate models.

一项关于永冻土带融化的新的发现可能不久以后会改变全球的气候。

The warm oil will produce thawing of ice rich soil adjacent to the pipeline when it crosses through permafrost zone, resulting in thaw settlement of the pipeline and variation of soil properties.

埋地热油管道通过永冻地带时，会导致土壤解冻，进而导致管道沉陷和土壤物性参数变化。

Because of the intense cold, the subsoil of the tundra remains permanently frozen to a great depth.

由于严寒，冻土带的底层土仍然长久冷冻得很深。

Permanently frozen subsoil, occurring throughout the Polar Regions and locally in perennially frigid areas.

永冻土永久冰冻的下层土壤，出现在整个北极地区和部分长期寒冷的地区

A Improved Permanent Scatterers Method for Analysis of Deformation over Permafrost Regions of the Qinghai-Tibetan Plateau

青藏高原冻土形变监测的永久散射体方法研究

On four legs, they resemble the great timber wolves that make the tundra their home.

当他们四足的时候，象来自冻土地带的森林巨狼。

The Study of Calculation Method of Soil Frost Depth ln the Forest Zone

关于森林地带土冻结深度计算方法的研究

THE GAS HYDRATE ABNORMALITY IN THE MOVABLE ZONE OF THE QINGHAI-TIBET PLATEAU PERMAFROST

青藏高原冻土区活动带天然气水合物异常特征

The harder the material under the permafrost is, the larger the chamber charge required.

永冻层之下的土壤越硬，所需要的药室装药量也越大。

Development on rare-earth permanent-magnet generator with vacuum pump for vehicle

车辆用带真空泵的稀土永磁发电机的研制

Experimental Study on Compressive Performance of FRP Strips Wrapped Reinforced Concrete Cylinders under Freeze-Thaw Cycles

冻融环境下FRP条带加固钢筋混凝土圆柱受力性能试验研究

Finally the possibility that permafrost in southwestern Hudson Bay is a result of cryotic inertia leading to relic conditions is examined.

最后,对低温惯量是导致哈得逊海湾西南部的永久冻结带的可能性进行了讨论.

A recent study suggests, however, that permafrost ices below the surface of Mars may have altered the effects of impact on it.

但是，近来的研究表明，火星土层表面下的永久冻结冰可能改变了这种冲击效应。

In permafrost areas in the Soviet Union or Canada or Alaska, ice has been used effectively for walling and roofing.

在苏联、加拿大或阿拉斯加的永久冻土地区，冰一直很有效地用来做墙和屋顶。

The polar ice caps are made of frozen water and carbon dioxide, and water may be frozen in the ground as permafrost.

极地冰帽是由固态水和二氧化碳组成的，水也有可能存在于永久冻土之中。

Thermal analysis of artificially frozen wall in seasonal frozen area

季节冻土地区人工冻土墙的冻结特性研究

RESEARCH OF GROUND FROZEN DEPTH IN SEASONALLY FROZEN AREAS

季节性冻土地区土壤冻结深度的研究

Analysis of community characteristics of nematodes in turf soil of Yongfeng virescence region in Beijing

北京永丰地区绿化带草坪土壤线虫群落特征分析