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- Recent years, geologists have discovered large areas of paleo aeolian sand existed in shifting sand dune, semi fixed and fixed sandy lands in Ordos Plateau. 地质研究表明鄂尔多斯高原沙漠在史前即已存在,史籍也记载北魏时期该地区有大沙漠,“人造沙漠”的论点不能成立。
- The article makes use of wind tunnel to simulate the sand transmission ratio over shifting sand dune and the sand\|trapping ratio of various components of railway protective system in Shapotou. 利用野外风洞,对沙坡头铁路风沙防护体系各组成要素的阻沙率和流沙的输沙率进行了模拟实验研究。
- Research on Temporal and Spacial Variety of Soil Moistures of Shifting Sand Dune and Four Main Plant Communities on Otindag Sandy Land 浑善达克沙地流沙与四种主要植物群落土壤水分时空变化的研究
- shifting sand dune 流动沙丘
- We have planted trees as a hedge against shifting sand. 我们植树以防流沙的侵袭。
- Ah, the sand dune with a trumpet? 大牛:啊,带喇叭的沙丘?
- Climbing a sand dune on the way home. 她们在归家途中翻越沙丘。
- Some measures are needed to secure the farmland against shifting sand. 需要采取措施使农田免遭流沙的侵袭。
- I always built alas on weak and shifting sand. 我在虚浮的沙地上构筑理想。
- We have planted tree as a hedge against shift sand. 我们植树以防流沙的侵袭。
- The nearest sand dune is less than 100 miles from Beijing. 最近的沙丘离北京不到100英里。
- One sits down on a desert sand dune, sees nothing, hears nothing. 一个人静坐在沙漠中的沙丘上,对周遭视而不见,听而不闻。
- Some measures are needed to secure the farmland against shift sand. 需要采取措施使农田免遭流沙的侵袭。
- We have planted trees as a hedgeagainst shifting sand. 我们植树以防流沙的侵袭。
- During their journey they came upon many sand dunes piled up by the winds. 他们在路上看到许多被风吹积而成的沙丘。
- We have planted trees as a hedge against shift sand. 我们植树以防流沙的侵袭。
- They have made plans to hold shifting sands. 他们制订了控制流沙的计划。
- The wooden hull parts that we find have been buried by shifting sand or mud. 我们发现的木船船体的某些部分是埋在流沙或泥中的。
- Sand dunes that were upbuilt by the wind. 由风垒起来的沙丘
- It possessed every outcropping of rock, every curve of sand dune on a barren and gelid shore. 这里也有凛冽荒凉的海边那种礁岩嶙峋,沙丘起伏的景色。