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acceptable accuracy造句

"acceptable accuracy"是什么意思   

例句与造句

  1. to reduce huge computation of the traditional stochastic optimization methods for engineering optimization, approximation model methods with acceptable accuracy for engineering design are developed based on the statistical theory
    摘要针对在工程中完全采用随机类优化方法寻优时计算量过大的问题,应用统计学的方法发展了计算量小、在一定程度上可以保证设计准确性的近似模型方法。
  2. for parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients . inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model . the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics
    利用最新发展的电磁波散射模型研究了不同植被覆盖地表雷达波对地表土壤水分的敏感性,建立了半经验植被雷达后向散射模型;2).研究发现在农作物等矮小植被覆盖地表,植被层直接后向散射与植被类型相关,且在植被生长期,雷达后向散射系数对植被含水量的敏感性要高于对植被高度变化的敏感性;3).解决了单参数雷达地表土壤水分反演问题中,雷达入射角和地表粗糙度的影响这一难点问题;4).利用土壤介电模型校正了不同土壤类型对反演地表土壤体积含水量的影响;5).在以上成果基础上,建立了完整的单参数雷达地表土壤水分变化探测反演算法,经地表验证,模型反演地表土壤水分变化值的精度为rmse=0
  3. It's difficult to find acceptable accuracy in a sentence. 用acceptable accuracy造句挺难的

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