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- There has been no major difference among organic matter contents, thickness of soil layers and mechanical component in croplands cultivated for 18 years as against those in primitive grassland. 从已耕作11年的农田看,土壤有机质含量,土层厚度和机械组成与原生草地无大的差异。
- Investigations on Typical Effective Thickness of Soil Layer of Heilongjiang Province Based on GIS Technology 基于GIS技术的黑龙江省典型土壤有效土层厚度调查研究
- thickness of soil layer 土层厚度
- Thickness of Planting Soil Layer 种植土层厚度
- The concentration of nitrate in extravasate increases with the thickness of soil increasing. 生活污水中含有的少量营养元素(如氮、磷)促进植物的生长。
- Remanent magnetism of soil layer is taken as a reference frame for locating hy-drocarbon seepage zone. 本文利用土壤剩余磁性作为确定烃类渗漏带的参考系。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- Since August, 1998, Xinjiang area began the measure of soil layer bore stress.It was successively completed 7 stations. 摘要自1998年8月起,新疆地区开展土层钻孔应力测量,先后建成7个台。
- Soil dynamic parameters, including dynamic shear modulus ratio and damping ratio, have important effects on the earthquake response of soil layer. 摘要土动力学参数即土的动剪切模量比和阻尼比,对土层地震反应分析结果有重要影响。
- A single thickness of a split hide. 皮厚一层被剥下的皮的厚度
- The average compression curve of soil layer is the basis of calculating the building settlement and its dispersion has great matter with the validity of the calcutation result. 土层平均压缩曲线是建筑物沉降计算的基础,其离散性与沉降计算结果的准确性有很大关系。
- We are in the thick of examinations. 我们正处在考试最紧张的时刻。
- The water-saving capability of soil is an important factor influencing vegetable growth because the soil layer is thin in ecological restore of rigidity revetment. 在硬质护岸的生态修复工程中,由于土层较薄,土壤的保水性能成为影响植物生长的重要因素。
- The target porosity and thickness of pavement of the permeable asphalt mixture on the basis of the factors such as reducing the runoff, the filter ability of soil base and pavement overflow. 基于减小地表径流、土基渗透能力及铺装溢流量等方面因素,设计透水性沥青混合料的目标孔隙率及铺装厚度;
- There are some clods of soil on the mat. 垫子上有些土块。
- Transportation of total nitrogen is meanly effected by precipitation, irrigation, rate of fertilizer application of agriculture, permeability of soil and thickness of unsaturated zone et al. 总氮的迁移主要受到大气降水、灌溉水、农业施肥量、土壤的渗透性以及包气带厚度等因素的影响。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- It's rich there because of the fertility of soil. 因为土地肥沃,那儿很富裕。
- I can't come out at present. You can see I'm in the thick of all this work. 我现在不能出去,你看得出我工作正紧张。
- Clods of soil stuck to the spade. 土块黏在铁铲上。