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- Gray leaf spot damages leaves at or just after silking stage and causes severe yield reduction. 灰斑病菌在抽丝期期间或结束后损害叶片,导致严重减产。
- Risk evaluation technology of loss(yield reduction rate)caused by disasters, indices and methods taken to reduce risk. 致灾损失(减产率)的风险评估技术,致灾指标的风险评估技术,减灾措施降低灾害风险的评估技术。
- MAYHEW M.STEPHENSON T Biomass yield reduction:Is biochemical manipulation possible without affecting activated sludge process efficiency? 周可新.;许木启
- Drought, salinity, and low temperature are the most severe natural disaster of many abiological adversities.They can make crop yield reduction, even to death. 干旱、盐碱和低温等非生物逆境是危害作物诸多因素中最为严重的自然灾害, 它可以使作物减产, 甚至死亡。
- It is found that the accumulative salinity in soil and relative yield reduction for different crop under the condition of leaching treatment are decreased. 结果显示,淋洗灌溉定额条件下,不同作物的土壤盐分积累及作物相对减产率分别比正常灌溉定额条件下有所降低;
- Apple stem grooving virus has been reported in most pome fruits producing areas.Although infection of the virus in fruits remains symptomless, it causes significant yield reduction. 摘要苹果茎沟病毒在仁果类果树上的感染较普遍,且一般不产生明显症状,给生产带来严重损失。
- The depression of macroscopical economy is considered as yield reductive main reason. 宏观经济的不景气被认为是投资收益减少的主要原因。
- We will never yield to invaders. 我们绝不会向侵略者屈服。
- Current Grain Yield Reduction at Different Spatial Scales in China 现阶段中国不同尺度的粮食减产类型分析
- Planting dates also have a large influence on crop development.In our studies with winter wheat, late-planted wheat suffered significant yield reductions that could not be overcome with fertilization. 播种时间对作物影响也很明显,我们在冬小麦研究中发现,播种晚,小麦减产严重,即便施肥也不能弥补播种晚所造成的损失。
- The town was forced to yield after a long siege. 该城受长期围困而被迫弃守。
- The reduction of unemployment should be paramount. 降低失业率应是头等大事。
- These trees gave a high yield of fruit this year. 这些果树今年获得了大丰收。
- Capacity or inclination to yield under pressure. 支持不住在压力下屈服的能力或倾向
- These apple trees yield plenty of fruit this year. 这些苹果树今年结了许多苹果。
- He was forced to yield the castle. 他被迫放弃城堡。
- He didn't yield himself to his rival. 他没有向对手屈服。
- The current yield on municipal bonds is 10%. 当前市政债券的利润是百分之十。
- In experimental plots the yield has been doubled. 在试验田里,产量已(被)提高了一倍。
- The forthcoming talk hold out the hope of real arms reduction. 即将举行的会谈给实现真正的裁军带来了希望。