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- dry surface ratio of soil 土壤干表面比率
- The surface ratio of conus to disc was calculated using a planimeter. 我们使用面积计测量圆锥与视神经盘表面比值。
- Among myopic eyes, the incidence of conus formation and surface ratio of conus to disc increased as the myopic degree or the ocular axial length increased. 近视眼中，圆锥形成的发生率和圆锥和视神经盘比值皆依近视程度或眼轴长之增加而增加。
- The CFU of soil bacteria increased and mould decreased, with the ratio of bacteria and fungi increased. 药用植物套种组土壤真菌种类多样性增加，与花生单作组相似性较低，真菌群落结构发生较大迁移。
- pore surface area - volume ratio of soil mass 土体孔隙比表面积
- There are some clods of soil on the mat. 垫子上有些土块。
- Three kind of soil texture were used to study the accumulation dynamics and the ratio of amylose and amylopectin in three winter wheat cultivars. 摘要研究了3个小麦品种在3种质地土壤上直链淀粉和支链淀粉的积累动态，结果表明：在不同质地土壤上，直链淀粉的积累动态均呈线性增长趋势；
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- The loading transfer in composite foundation and the settlement and variation of stress of soil and stress ratio of pile-soil law are analyzed under different loading conditions. 对不同荷载水平下复合地基中单桩荷载传递特性、桩间土的沉降、桩间土上的应力及桩土应力比的变化规律进行了分析；
- It's rich there because of the fertility of soil. 因为土地肥沃，那儿很富裕。
- Place the insufflator on a flat and dry surface. 注气器要放置地面要平整，环境要干燥。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Clods of soil stuck to the spade. 土块黏在铁铲上。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- The layer of soil on the surface. 地球表面一的土壤。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- To remove the surface layer of soil from(land). 去掉表土将土壤最上面的一层从（土地上）清除掉
- First, to clean and dry surface, no oil slicks, no dust. 先清洁并干燥工件表面，确定无油污、无灰尘；
- The Fp is a ratio of the increase in extractable soil P to amount of P added, which represents the fixation tendency of soils. 磷肥有效性指标为描述磷肥施用后其仍能维持有效性之比率，其为反映土壤固定磷之能力。
- The ratio of men to women was two to one. 男女的比例是二比一。
