近似

• Just this fact was one of the motivations for the discussion of boundary approximations in chapter 4 .
  恰好这个事实是第四章讨论的边界近似式的引伸之一。
• We must seek two main approximation methods of solution, the variation method and perturbation theory .
  我们必须寻求两个主要的近似解法、变分法和微扰法。
• These formulas make the approximations for the derivatives at these points in a nonsymmetrical manner .
  这些公式使得这些点子上的导数近似式是非对称形式。
• Marshall even suggested a biological analogy might be more appropriate for dynamics .
  马歇尔甚至认为生物学中的某些近似概念或许更适宜于用来表示动态理论。
• The remnant n(t)is the difference between the actual pilot output and the linear approximation to it .
  剩余值n（t）是驾驶员的真实输出和它的线性近似之差。
• 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。
• Use of higher roots of (8. 88) in (8. 85) gives approximation to excited state wave function .
  将（888）中的高值根用于（885），给出激发态波函数的近似。
• This particular half-sine pulse is only a very approximate model for the actual state of affairs .
  这个特定的半正弦脉冲对实际情况来说只是一个非常近似的模型。
• Simple cuboidal epithelium is a single layer of cells whose width and height are approximately equal .
  单层立方上皮由单层细胞组成，细胞的宽度和高度近似相等。
• The condition of uniaxial stress is closely approximated in prismatic bars subjected to pure axial tensile .
  单轴的应力状态跟棱柱杆承受单纯轴向拉伸十分近似。