一级近似的英文

• first a roximation
• first approximation

• "一级"英文翻译    one-level; Class A; senior g ...
• "近似"英文翻译    approximate; similar; approa ...
• "一级近似理论" 英文翻译 :    first-order theory
• "一级近似波结构" 英文翻译 :    first-order wave structure
• "作为一级近似值" 英文翻译 :    as a first approximation
• "零级近似" 英文翻译 :    zero-order approximation; zeroth approximation
• "二级近似计算" 英文翻译 :    second-order calculation
• "二级近似理论" 英文翻译 :    second-order approximation theory
• "一级" 英文翻译 :    1.(一个水准) one-level; class a; senior grade2.(巴基斯坦棉分级标准名称) super fine3.(印度棉分级标准) extra superfine4.(埃及棉分级标准名称) fully good5.(首顺序) first order
• "近似" 英文翻译 :    approximate; similar; approach; approximation; roughness; propinquity 和 ... 有些近似 be somewhat similar to ...; 一个与真实生活极为近似的情况 a situation that closely approximates real life; 烯空气跟空气十分近似。 olefin gas closely approximates air. 我和他的看法近似。 my opinions are similar to his.; 近似成本 approximate cost; 近似度 degree of approximation; 近似计算 approximate calculation; approximate treatment; numerical evaluation; proximate calculation; analog computation; 近似值 approximate value; approximation; approach
• "近似；近似法；近似值" 英文翻译 :    approximation
• "近似近似值" 英文翻译 :    approximation
• "近似量, 近似值" 英文翻译 :    approximate quantity
• "矮一级" 英文翻译 :    a grade lower
• "第一级" 英文翻译 :    first order; first step; first stage
• "高一级" 英文翻译 :    product
• "普一级" 英文翻译 :    common
• "上一级" 英文翻译 :    upper stage
• "下一级" 英文翻译 :    earlier stage; lower stage
• "一级船" 英文翻译 :    first class ship
• "一级词" 英文翻译 :    primary word
• "一级的" 英文翻译 :    first-degree; first-grade
• "一级风" 英文翻译 :    light air
• "一级根" 英文翻译 :    root of the first order
• "一级机" 英文翻译 :    single-level machine

• Equation(4－198)yields a first approximation for the change in the natural frequency of vibration .
  方程（4198）给出了一级近似下的固有振动频率的改变量。
• Equation ( 4 198 ) yields a first approximation for the change in the natural frequency of vibration
  方程（ 4 198 ）给出了一级近似下的固有振动频率的改变量。
• In a first approximation , the departure from a constant amplitude vs frequency characteristic will be a characteristics with a linear slop that will vary with time
  采用一级近似,则可认为对频率特性曲线的等幅偏移是一具有时变线性斜率的特性曲线
• In the study of the relations between the earthquake and the earth tide , it is necessary to know the time and space distributions of the tidal stress field inside the earth
  在研究固体潮与地震的关系时，需要知道固体潮应力场的时空分布。球状弹性均匀地球模型是地球的一级近似，本文给出计算该地球模型固体潮应力场的计算方法。
• And beginning with a perturbed nls equation , using a multi - scales perturbation expansion , we get the zero order and the first order equations , discuss the eigenstates of the operator in the equations , induct relevant " derivative states " , form the completeness of the bounded eigenstates of the associated operator in li space , and expand the corresponding parameters in the closure , get a series evolution equations of the coefficients in the expanded formulas , find the first order approximate solution by researching the evolution equations . this paper also gives the basis of this method - the completeness we have formed and the singular perturbation technique
  ) dinser方程的求解问题，讨论了自伴算子的本征函数的正交性和完备性，介绍了寻求微分方程的近似解常用的摄动方法，并从带有某种扰动项的nls方程出发，利用多重尺度的摄动方法得到了方程的零级近似方程和一级近似方程，通过对近似方程中算子的特征态的讨论，引入适当的“导出态” ，建立了算子在l _ 2空间的特征态的完备性。