近似分析 meaning in English
approximate analysis
proximateanalysis
rough analysis
Examples
- Because the residual service life of concrete structure may be predicted by site measurement result , and the site measurement result can give a guide for further maintenance and repair , engineers begin pay more attention to the site non destructive test methods
由于从一定程度上可以从现场检测的结果来近似分析确定混凝土结构的剩余寿命，并为以后的维护及维修起着实际的指导作用，因此，混凝上结构的现场检测方法越来越受到广泛的重视。 - The system can automatically evaluate the decolorization of cpt by tracking the position of concave spot . the vibration of aperture grille will affect the display characteristic , and it is difficult to found a correct vibration analysis function because of its complicated structure
对新型的张紧式荫罩影响显示屏特性的主要原因? ?振动进行了近似分析，由于荫罩面结构、类型复杂，难以建立准确的数学振动模型，振动特性难以正确的数学表示。 - Mixed weights cgpc is constructed for constrained cgpc , which has advantage in simplicity and efficiency . performance of ballistic missile ’ s servo system is improved by approximate constrained arithmetic . the effect of side force on stability of spinning missiles is studied by routh criterion , which proved to be more universal than others ’ work
针对线性角运动模型,直接采用劳斯方法,与前人工作相比具有更好的通用性和精确性;借此方法近似分析了侧向力对自旋弹道导弹稳定性的影响;研究了内模控制在弹道导弹姿态稳定系统中的应用。 - It ' s the first time clearly and systematically to present the concepts of restraint influence coefficient of steel to strain increment , to curvature increment and to deflection increment due to creep which are different each other . theoretical formulae are established , and approximate formulae are also obtained while considering the characteristics of common - used concrete and ambient condition of real bridges in china . so , an approximate restraint influence coefficient method to analyze the effect due to creep and shrinkage in pc bridges is put forward , and the equations to estimate second - force due to creep considering influence of steel in system - transferred continuous pc bridges is also established
本文首次清晰而系统地提出了钢筋对徐变的不同效应(徐变应变、徐变曲率、徐变上拱)约束影响系数的概念，建立了相应的计算式；结合我国普遍采用的混凝土的徐变特性和桥梁的构造特点及工作中南大学博士学位论文摘要环境特征，给出了具有较高计算精度的实用计算式;在此基础上，建立了桥梁徐变效应近似分析的钢筋约束影响系数法，并推导出了考虑钢筋影响的超静定梁徐变次内力的近似计算式，可方便地应用于桥梁研究和设计中。 - In the model the film thickness in the passage was obtained at first using two phase flow theory ; then , similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last , the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained
该模型首先运用两相流理论获得了通道内液膜厚度，然后通过污染物在气相、液相的质量组分方程，结合生物膜内的传质与不?虑氧限制的生化反应动力学方程，获得了污染物在液相和生物膜中浓度分布的近似分析解，最终得到污染物在气相中沿塔高的浓度分布及废气净化效率。