Canadian researchers expressed serious concerns about the erosion of permafrost in the Arctic.

An example a tipping point is the thawing of the permafrost.

一个例子就是永久冻土层的融化.

Lastly, the relations between the climatic limit of permafrost and modern climatic snowline are discussed.

在此基础上, 进而探讨了中国现代气候多年冻土线与气候雪线之间的关系.

How much methane and carbon dioxide might be released from the rotting permafrost?

一个腐烂的永久冻土层将释放出多少甲烷和二氧化碳?

Permafrost, cold, wind, and scant rainfall make it difficult for most and animals to survive here.

永冻土, 寒冷, 风和稀少的降水使得大多数动植物难以在这里生存.

This was a challenge, because the permafrost is barely permanent.

这是一大挑战, 因为这里的冻土并非永久不变.

They are distributed in polar permafrost horizons and submarine sediments.

分布于极地永冻层和海底沉积层中.

Thawing and refreezing each year, an active layer of soil lies over permafrost.

覆盖在永冻层上方的一层活冻层土壤,每年都会融化和重新冻结.

The things we can touch have no permanence.

我们能够触摸到的东西没有永远.

The thing we can touch have no permanence.

我们能触摸到的东西没有永恒.

They all contain splendor , magnificence solidity, and permanence they are all substantiations of the spirit.

如此庄严 、 华丽 、 真实、永恒,如此精神实体化.

Conditions for permanence is established via the method of comparison involving multiple Liapunov functions.

进而,利用李雅普诺夫函数和比较定理确定了持续生存的条件.

Nothing threatens the permanence of the system.

该体系的永恒性不受任何事物的影响.

Therefore, we believe that naive, as long as together and will certainly be permanence, Zhisibuyu!

所以我们天真的以为, 只要在一起了,就一定会是天长地久, 至死不渝!

Absolute image permanence and tamper resistance are guaranteed.

绝对图像持久性和防篡改有保证.

The permanence later is perhaps turning passionate to common.

后来的永远,也许是从炽热走向平淡.

We have to struggle in order to realize the permanence condition.

人类为了实现她的永恒,就必须去奋斗.

No physical permanence, but only an ideal one, is necessary.

需要的不是有形的永久性, 而只是理想的永久性.

Only this way, the metro waterproofing can keep permanence and credibility.

只有这样才能做好地铁防水工作, 使地铁防水持久、可靠.

This is the second external teaching, which postulates permanence.

是则名为第二外道, 立圆常论.

We no longer talk of the permanence of marriage.

如今，再没有人说婚姻要天长地久了。