approximative

英

美

adj.  近似的；用近似法求得的

英英释义

adj

• not quite exact or correct
  1. the approximate time was 10 o'clock
  2. a rough guess
  3. a ballpark estimate
  Synonym:approximaterough

双语例句

• In this paper, under the conditions of weak harmonic periodic modulation of refractive index or gain in axial periodic laser structure, approximative analytical expressions for the resonance frequencies and the threshold gains of the lase modes are derived.
  本文在轴向周期激光器结构中折射率或增益为弱简谐调制的情形下，得到了激光模的共振频率和阈值增益的近似解析表达式。
• Based on the Langevin equation of the nonlinear dynamical system, the Fokker-Planck equation is derived by using some approximative approaches.
  本文从非线性动力系统的朗之万方程出发，应用近似处理的方法，得到系统相应的Fokker-Planck方程。
• This paper proposes an unsteady conduction model for the piston of a ceramic engine by axisymmetric FE analysis. A method for dealing with the nonlinear radiation conditions and an approximative method for calculating the initial conditions are described.
  本文提出了陶瓷发动机活塞不稳定热传导的轴对称有限元法分析模型，讨论了热幅射传热非线性边界条件的处理方法和初始条件的近似算法。
• Data and model extracted from the actual problems are only an approximative description of complex process, which inevitably contains some assumptions.
  从实际问题中收集起来的数据和提炼出来的模型，只能是对客观复杂过程的一种近似描述，它不可避免地要包含某些假定。
• It first runs the Pareto genetic algorithm in order to obtain approximative Pareto optimal solutions.
  HPGA首先运行Pareto遗传算法，以得到近似的Pareto最优解；
• Following the approximative expression, the nonlinear characteristics of ball bearing vibration are studied theoretically and validated by the real test data.
  据此，从理论上分析了球轴承振动的非线性特性，并用实际的实验数据进行了验证。
• This is in keeping with Sampson's Approximative System Model and Schumann's Acculturation theory.
  这与塞普森的相似系统模式和斯库曼的语言涵化理论是一致的。
• Solves the problem of boundary value on an annular crack by using the nonlocal stress solution of an axisymmetric crack problem and approximative method of series expansion.
  利用已得到的三维轴对称问题的非局部弹性应力的解，采用级数近似展开的方法，求解环状裂纹的边值问题。
• The calculating results of the accurate solution are compared with those of approximative solution through examples.
  通过实例，将精确解的计算结果与近似解的计算结果进行了比较。
• Approximative analytical expressions are derived for the dispersion relations, the resonance frequencies and the threshold gains of the laser modes.
  导出了激光模的色散关系、共振频率和阈值增益的近似解析表达式。