yield gap
英 [jiːld ɡæp]
美 [jiːld ɡæp]
收益差额；单产差距
双语例句
- While valuation of the market is reasonable both in terms of the price to earnings ratio and the yield gap relative to the US10-year Treasury, the risks to earnings are on the downside.
尽管无论是从市盈率还是从与美国10年期国债的收益率差来看，市场的估值是合理的，但收益下降的风险正在积聚。 - They concluded that the farmers 'soybean yield gap were due to low quality seed, no application of herbicide, chemical fertilizer, coupled with inadequate available P in soil and poor production technology.
他们指出农民大豆产量差距是由不良种子、使用除草剂、肥、壤有效磷不足和生产技术不良造成的。 - The first focuses on closing the yield gap, the difference between realised and potential crop productivity.
他们首先把重点放在了缩小产量的差距上，也就是现实的作物生产力和潜力之间的差异。 - Based on a two-year household survey data, the yield gap of winter wheat in Quzhou County of Hebei Province, China in2003-2004 was studied through comparative performance analysis ( CPA).
在农户调查基础上，采用比较优势分析法对曲周县2003&2004年度冬小麦产量差异进行分析。 - Money chased property of all sorts, closing the yield gap between the best and the rest.
各种级别的房产都是资金追逐的对象，这拉近了优质房产和其它房产之间的收益差。 - There is a function relationship between technique adoption rate and yield gap between naked and film-mulching, corn price, plastic film cost and labors cost.
地膜玉米技术采用率是地膜与露地玉米产量差、玉米价格及地膜和人工额外投入成本等因素的函数。 - Yield gap estimation by combining remote sensing and crop growth model
基于遥感和作物生长模型的作物产量差估测 - The yield gap between the PS-1 and PS-2 levels was largely explained by differences in soil type and rainfall.
结果表明：PS-1和PS-2水平之间的产量差主要由水分和土壤质地差异造成； - The key techniques to insure the quality and high yield are adjusting density timing and managing different tree ages as the growth of plant in construction of GAP bases.
结论保证金银花优质、高产的关键技术是：随树龄增长，适时调整密度，在GAP基地建设中，对不同树龄植株要分类管理。 - However the larger part of the yield gap between the bio-physical production potential and actual production ( 81.4%) exists between the PS-2 and PS-X levels and is largely caused by management factors.
PS-2与PS-X水平间的平均产量差异较大，占总产量差（PS-1与PS-X水平之差）的81.4%，主要由田间管理差异造成； - It is found that the yield, microstructure and particle size of the prepared GaP nanocrystals are very different with the change of these key factors.
GaP纳米晶的产率、形貌以及平均粒度随着这些关键因素的改变有很大的不同。 - The reactor energy efficiency, O2 conversion and H2O2 yield were enhanced by using the reactor with narrow discharge gap and metal high-voltage electrode.
采用窄极间距的金属高压电极放电管既有利于反应器能效的提高，也有利于氧转化率及H2O2产率的提高。