结论双眼的全眼和角膜散光在轴向方面都具有同质性，并且具有对称或近似对称趋势。
Conclusion the total astigmatism axis and the binocular astigmatism axis of cornea have the characteristic of homogeneity, also the trend of symmetry.
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。
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.
计算结果指出，当轴棱锥的截面为圆对称的理想加工时，轴棱锥产生的光场分布为近似理想的零阶贝塞耳光。
Results show that if the cross-section of the axicon is ideally manufactured in circular symmetry, the field distribution behind the axicon is approximately an ideal Bessel beam.
本文利用微扰法，导出了克尔型非线性对称平板光波导t E模传播常数的近似计算公式。
A perturbation method has been developed to derive the approximate computing formulae of propagation constants for te modes on Kerr-type nonlinear symmetric slab optical waveguides.
并讨论了斜对角装载、斜对称装载产生的减载率的近似计算方法及其应用。
The computing method and its application of the reduction rate of the load with diagonal and symmetrical loading are discussed and given.
对阀控对称缸的电液伺服模型进行工作点附近近似线性化处理，应用线性理论的方法对控制器进行设计并仿真。
As to the valve controlled symmetrical cylinder, the method of approximately linearization of the model round work-point was used and applied classic PID theory to system to simulate.
这些公式使得这些点子上的导数近似式是非对称形式。
These formulas make the approximations for the derivatives at these points in a nonsymmetrical manner.
采用传输线理论，在线性近似条件下推导出起因于输入电压的非对称和电路元器件非对称的纹波的解析表达式。
By using transmission line theory and linear approximation of the circuit, analytical expressions are derived for the ripple due to asymmetry of input voltages and circuit elements.
结果表明，各向异性散射与各向同性散射介质间的相对温度差异与散射不对称参数近似成正比。
The results show that relative temperature differences between the linearly anisotropic scattering and isotropic scattering media are approximately proportional to the scattering asymmetry parameter.
在计算T矩阵的方法中，最流行的方法称之为扩展边界法（EBCM），但是它很大的程度上只适合轴对称和近似球形的粒子。
The most prevalent way to calculating T-matrix is the extended boundary condition method (EBCM), which, however, is largely limited to axisymmetric and near-spherical particles.
实际中，小井源距多波vsp观测的直达波满足这种沿垂直对称轴方向的近似条件，因此本方法具有重要的实际意义。
In practice, direct wave in near-offset multiwave VSP satisfies this approximate condition; so this method is of practical importance.
该方法使用具有分段连续的线性分段来近似正弦函数曲线的第一象限部分，根据正弦曲线的对称性，构成完整的正弦曲线。
A digital frequency synthesizer without ROM look up table is presented, a piecewise linear interpolation scheme is used to approximate a sinusoid function.
本文应用摄动法给出了一种简便的计算任意二元和轴对称细长喷管可压缩有势流动的近似解析方法。
A simple and approximate analytical method for calculations of compressible potential flows in arbitrary two-dimensional and axially symmetric slender nozzles is given using perturbation technique.
根据电磁阀的结构特点，将磁芯和磁轭分别按平行平面场和轴对称场近似处理。
According to structure features, parallel plane field and axisymmetrical field were used in approximate calculations of core and yoke of the valve respectively.
给出一个解非线性对称方程组问题的近似高斯·牛顿基础bfgs方法。
An approximate Gauss Newton based BFGS method for solving symmetric nonlinear equations is presented.
定义了非对称相似关系的近似集概念，提出了一种利用非对称相似关系下近似集和属性值对的基于粗糙集的确定规则推理算法。
In this paper, the concept of non-symmetric similarity relation had been used to formulate a new definition of approximation to an incomplete information system.
并讨论了斜对角装载、斜对称装载产生的减载率的近似计算方法及其应用。
The computing method and its application of the reduction rate of the load with diagonal and symmetrical loading a...
对一般非对称截面梁的弹塑性弯曲变形进行了讨论，并通过分析得到了一近似种求解方法。
The paper studied elastic-plasticity bending deformation of cross-section of unsymmetrical beam and found a solution of deformation.
将覆盖层单元近似为粘弹性圆柱管，导出轴对称波的特征方程。
Approximating the unit of coating as hollow viscoelastic cylindrical shell, an eigen equation of the axisymmetric waves is derived.
由于信息的不对称性，此时的最优策略只能够使得供应链达到近似协调，供应链效率降低。
Because of information asymmetry, the optimal policy just can make the supply chain obtain approximate coordination and the efficiency of the supply chain reduces.
强相位具有近似的SU（3）对称性。
从对称型势位能逃脱平均时间，低温尽近似。
Mean escape time from a symmetric potential well, low temperature asymptotics.
对于非对称、非带状混合元方程，提出了四种对称化方法及相应的分析耦合问题的近似方法。
The four kinds of method for symmetrization of the nonsymmetric and no. banded matrix equations of the mixed element and the associated approximate methods for analysis of some fluid-solid coupled d…
对于非对称、非带状混合元方程，提出了四种对称化方法及相应的分析耦合问题的近似方法。
The four kinds of method for symmetrization of the nonsymmetric and no. banded matrix equations of the mixed element and the associated approximate methods for analysis of some fluid-solid coupled d…
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