Land use efficiency is an important index to measure the level of land use.
用地效益是衡量土地利用水平的一项重要指标。
Fertilizer use efficiency will decrease when nitrogen and phosphor are increased.
而增加氮、磷投入亦能提高水分利用效率。
Agricultural labor force aging; Land resources use efficiency; Inverted "u" type curve.
农业劳动力老龄化；土地资源利用效率；倒“U”型关系。
The results show that the water use efficiency of arbor is lower than one of herb and shrub.
结果表明：乔木树种的水分利用效率远比草本和灌木树种低。
Crop growth, yield response and water use efficiency (WUE) under different treatments are analysed.
分析了不同处理的作物生长、产量反应及水分利用效率。
The order of water use efficiency and irrigation water use efficiency was both as follows: SM> ZM> SC.
水分利用效率和灌溉水利用效率均为稻草覆盖旱作>裸地旱作>常规水作。
Improving the structure and promoting the use efficiency is the important guarantee to the mass sport job.
改善资源的结构、提高资源的利用效益是中国群众体育工作开展的重要保证。
Remobilization of nitrate in leaf vacuoles of crops is closely related to nitrogen use efficiency of crop.
作物液泡中硝酸根离子的再调动和再利用与作物氮素高效利用关系密切。
Hybrid rices behaved of physiology advantage in nutrient uptake and use efficiency than that of inbred rice.
在养分的吸收和利用效率方面，杂交稻较常规稻表现出明显的生理优势。
On the one hand, the urbanization and the industrialization enhanced the land use value and the use efficiency.
一方面，城市化和工业化提高了土地的使用价值和利用效率。
It also promoted the transfer of nitrogen in corn into its kernel, so as to increase the nitrogen use efficiency.
添加玉米残体能够促进氮素从营养器官向籽粒中转移，提高氮素养分的利用效率。
It is often and protein and mineral elements, forming complexes and influence both availability, reduce use efficiency.
它常与蛋白质和矿物质元素形成复合物，而影响二者的可利用性，降低利用效率。
The results shows that solar energy use efficiency improves a lot through optic-electro and optic-thermal composite utilization.
结果表明，通过光电-光热综合利用能够对太阳能利用效率实现有效提升。
Efforts were intensified to use land more economically and intensively, resulting in continued improvement in land-use efficiency.
节约集约用地工作力度加大，土地利用效率继续提高。
Researched effects of plastic film mulch on spring wheat growth and water use efficiency in different conditions by field experiment.
通过大田实验研究了不同条件下覆膜对春小麦产量与水分利用效率的影响。
The conceptions of resource productive efficiency, resource use efficiency and resource productive benefits were defined in this paper.
在概念上对资源生产效率、资源利用效率、资源效益等进行了明确的界定。
The patterns of the responses of the gas exchange and resource use efficiency to water change varied with various physiological indices.
气体交换和资源利用效率对水分变化的响应格局因生理指标不同而存在差异。
Establishing water market, adopting water right auction can realize water resources optimal allocation, and improve water use efficiency.
建立水市场，通过水权交易是实现水资源优化配置、提高用水效率的有效方式。
We should adopt economic encouragement means that industrialists development industrial resources use efficiency improvement of technology.
我们非常应该采用经济鼓励手段，使工业家们开发改进工业资源利用效率的工艺技术。
The subsurface irrigation and drip irrigation decreased significantly the irrigation rate and increased significantly water use efficiency.
采用滴灌和渗灌栽培的灌水量显著减少，极大地提高了水分生产率。
The coupling effect of water and nitrogen on cotton yield and water use efficiency(WUE) was studied under different drip irrigation patterns.
研究施肥量和灌水量对不同滴灌模式棉花产量、水分利用效率（WUE）的水氮耦合效应影响。
Influences of environmental factors on water use efficiency (WUE) of winter wheat grown in field under different water treatment were studied.
对干湿两种水分处理下农田冬小麦群体水分利用效率与环境因子的关系进行分析。
Ameliorated root system was able to improve crop water use and nutrient absorption, and hence, crop yield and water use efficiency was increased.
施肥能够促进春小麦根系的生长发育，特别是促进浅层根量的增加，增强了作物的水分养分吸收。
The reasons of low use efficiency of fertilizer and serious pollution are the imbalance between fertilizer releasing nutrient and crop requirement.
化肥利用率低和污染严重的主要根源是因肥料释放的养分与作物需求间不平衡所致。
Each part of the SGA assignments whether reasonable, the use efficiency is whether normal, can greatly affect the database system and the performance.
各部分的分配是否合理，使用效率是否正常，会大大影响数据库系统的性能。
Each part of the SGA assignments whether reasonable, the use efficiency is whether normal, can greatly affect the database system and the performance.
各部分的分配是否合理，使用效率是否正常，会大大影响数据库系统的性能。
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