| 1. | Perhaps this is caused by the sudden melting of subsurface permafrost .
可能是地下永久冻土突然融化所造成。 |
| 2. | 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。 |
| 3. | The two tremendous continental countries shared a frontier of 4, 000 miles in a vast arc from the frozen tundras of siberia to the stark deserts of central asia .
这两个辽阔的大陆国家的共同边界从西伯利亚冻土地带到中亚细亚荒漠划出一个大弧形，长达四千多英里。 |
| 4. | Standard terminology relating to frozen soil and rock
冻土和冻岩相关的标准术语 |
| 5. | Heat - bar construction technique on permafrost areas
多年冻土地区热棒施工技术 |
| 6. | Code for engineering geological investigation of frozen ground
冻土工程地质勘察规范 |
| 7. | Smooth blasting technology for a tunnel in frozen soil
高原冻土隧道施工机械适应性技术 |
| 8. | Effect of frozen soil layer on seismic response of bridges
冻土层对桥梁地震反应的影响 |
| 9. | Analyzing frost heaving and frost boiling of the roadbed
季节性冻土区路基土的冻胀特性分析 |
| 10. | As permafrost gets warmer , it could become wetlands
永久冻土变得更加温暖时，将变成湿地。 |
