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- They serve as windbreak, serve for sand fixation and provide fodder and shelter for wild and domestic animals. 生态作用是治风速、固定风沙、给野生动物与畜牧提供饲料与保护。
- SH can be used for sand dune fixation.The references may guide the field practice in sand fixation by SH in future. 试验结果表明，SH可以固沙，固沙后抗风蚀能力强，研究结果为指导现场施工提供了依据。
- It can also be used to the fields such as water and soil conservation,sand fixation of desert,surface fixation of bulk material stockpile. 该研究的成果也可以用于农林业水土保护、荒原沙漠稳土固沙及各种散堆物料面层固结等其它领域,具有广泛的应用前景。
- Chemical sand fixation is an important method of desertification control due to its low cost,efficiency and suppleness,for which polymer is the main material. 化学固沙技术是荒漠化治理的一种重要途径,其优点是成本低,施工简便,见效快。高分子材料是化学固沙的主要原料。
- Generally, the chemical or physical action of these materials with sand will make loose sand stick each other and form a protective layer for windbreak and sand fixation. 一般是通过与沙粒发生化学或物理化学作用等，使松散的沙粒粘结成整体，形成保护层而达到防风固沙，治理沙害的不同效果。
- The public welfare biological assets refer to the biological assets for the main purpose of protection or environmental protection, consisting of wind break and sand fixation forests, water and soil conservation forests, water conservation forests, etc. 公益性生物资产，是指以防护、环境保护为主要目的的生物资产，包括防风固沙林、水土保持林和水源涵养林等。
- Eco-geographical flora of pathogeny was discussed, and divided in to 3 forestation areas, such as sand forest center arboretum, 106 sand fixation areas and Wuhai sand-fixation forest. 讨论了病原物的生态地理区系，并分为沙林中心植物园、106治沙工区、乌海治沙林场3个固沙造林区。
- Report of Crust Sand Fixation by Alga 荒漠藻固沙结皮试验研究初报
- wind prevention and sand fixation 防风固沙
- windbreak and sand fixation forestry robot 防风固沙机器人
- This paper describes the mechanism of sand fixations by grouting engineering and biological engineering. 摘要对溜砂坡中注浆工程固砂和生物工程固砂力学机理进行了阐述。
- windbreak and sand fixation forestry system 防风固沙体系
- plantation for wind protection and sand fixation 防风固沙林
- Strength characteristics of sand fixated by SH[J].Chinese Journal of Rock Mechanics and Engineering, 2003,22(Supp.2): 2 883-2 887. SH固化沙体的强度特征[J].;岩石力学与工程学报;2003;22(增2):2 883-2 887
- He has a fixation on older women. 他对于年长的女人有病态的依恋。
- Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
- The sand blew into the food and made it gritty. 砂吹进食物中，里边尽是砂子。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- The sun blazed down on the sand. 阳光强烈地晒在沙滩上。
