田间试验对比研究了树脂包衣尿素和普通尿素在灌漠土和风沙土两种土壤上种植玉米的肥料投入产出效益和产量差异。
The field experiments were carried out to investigate the effects of urea and resin coated urea on yield and economic benefit of corn planted in aeolian sandy soil and irrigated desert soil.
应用认知训练法对格斗擒敌技术动作的教学训练效果进行对比研究，发现认知训练法在格斗技能形成中具有较为明显的训练效益。
It was found in our contrast research that ct can help trainees form the cognitive structure of capture technique, and the training effect of ct is obvious.
采用土地经济学研究方法，从土地利用结构、土地利用程度和土地利用效益3个方面，对阜平县2003年土地资源利用状况进行了对比分析。
Analysis of land utility efficiency in Fuping County was made by economical ways from three aspects including land utility structure, utility degree and efficiency in 2003.
应用推荐