二阶近似的英文

• second-order approximation

• "二阶"英文翻译    second order
• "近似"英文翻译    approximate; similar; approa ...
• "高阶近似" 英文翻译 :    high-order approximation
• "较高阶近似" 英文翻译 :    higher approximation
• "三阶近似" 英文翻译 :    third-order approximation
• "二阶导数近似式" 英文翻译 :    second derivative approximation
• "二阶" 英文翻译 :    [数学] second 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
• "二阶的" 英文翻译 :    divalent
• "二阶段" 英文翻译 :    two-stage
• "二阶法" 英文翻译 :    second-order method
• "二阶基" 英文翻译 :    divalent radical
• "二阶矩" 英文翻译 :    second moment; secondary moment; secondarymoment
• "二阶铃" 英文翻译 :    second order fluid
• "二阶酸" 英文翻译 :    diatomic acid; dihydric acid
• "二阶堂" 英文翻译 :    nikaido
• "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
• "第二阶段" 英文翻译 :    second stage; subordinate phase
• "二阶标架" 英文翻译 :    frame of order two
• "二阶参量" 英文翻译 :    two-stage parametric
• "二阶差别图" 英文翻译 :    second-order difference picture
• "二阶差分" 英文翻译 :    second difference; second order difference
• "二阶程序法" 英文翻译 :    second-order schedule procedure

• Dual mathematical programming is used to map the original problem exactly and the second approximation of the dual problem is set up by taylor ' s expand form , it is solved by qp ( quadratic programming ) solving device
  用对偶数学规划精确映射原问题，用泰勒展式建立对偶问题的二阶近似。最后用二次规划求解器求解。
• Abstract : based on two order approximation of the variation of refraction index produced by self - action while optical pulses are traveling in kerr - medium , the propagation equation has been solved . furthermore , the strict analytical expressions of the amplitude , width and chirp parameter of chirped gaussian pulse , relative to the propagation distance , are deduced . the solitary wave traveling conditions of fundamental mode gaussian pulse have been discussed
  文摘:将光脉冲在克尔介质中自作用产生的折射率变化作二阶近似，求解所得到的传播方程，得到啁啾高斯脉冲幅度，脉冲宽度和周啾参数随传播距离变化的严格解析解，讨论了基模高斯脉冲孤波传播的条件。
• The stress and local stability constraints are transformed into movable lower bounds of sizes . an inverse variable xt = ? is inducted , and the objective function is expanded as second order taylor approximation while the displacement constriction is expanded as first order taylor approximation . the lemke algorithm is used to get the final design result
  把复杂的应力约束和局部稳定约束转化为动态尺寸约束，引入倒变量x _ i 1 / a _ i将目标函数展开为二阶近似，将位移约束用莫尔积分化为一阶近似，用对偶规划方法将原问题化为等价的二次规划问题，调用lemke算法，求得最优设计结果。
• For initial rectangular and hexagonal disturbances on the interface , nonlinear fluid mechanics governing equations are solved respectively with the perturbation method , and 2nd - order approximate solutions are obtained . then effects of nonlinearity on r - t instability are discussed , and its significance is manifested
  应用摄动方法求解非线性的流体力学方程组，分别针对矩形和等六边形的界面初始扰动，得到了扰动发展的二阶近似解，并分析了非线性对r - t不稳定性发展的影响，指出非线性在其中的重要意义。