1) Step of Moho depth
地幔阶梯
2) topographical unit
地势阶梯
1.
Through rectifying and restatistics of the peat reserve data attached to “REPORT ON PEAT RESOURCES IN CHINA”, this paper deals with the spatial pattern of peat distribution among provinces, three topographical units and climatic zones respectively.
对不同地貌类型而言 ,一级地势阶梯泥炭蕴藏量丰富 ;高原泥炭储量大 ,多集中分布 ,且以负地貌单元为泥炭的主要分布区 。
3) trapean rocks,trappean rocks
阶梯岩<地>
4) terraced ground
阶梯地面
5) underground ladder wall
地下阶梯墙
1.
The four kinds of hydraulic protection schemes,including underground ladder wall,underground diversion wall,sloping and slope protection,for gas pipeline laid in slope segments of trench are put forward,and the characteristics,job practice and applicable fields of different schemes are discussed.
对处于沟坡段的输气管道,提出了地下阶梯墙、地下导流墙、放坡和护坡4种水工保护方案,论述了各方案的特点、施工方法及适用场所。
6) step-shaped geomorphologic
阶梯状地貌
补充资料：地势
| 地势 surface relief 地表形态起伏的高低与险峻的态势。包括地表形态的绝对高度和相对高差或坡度的陡缓程度。不同地势往往由不同条件下内、外动力组合作用形成。人类对地势的利用表现在工程水利、建筑和军事等许多方面。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条