查询词典 approximate method

Simulation results demonstrate that LS-SVM has a good approximate capability for inverse model, and the proposed compound control system has better dynamic track performance, resistance to disturbance of system and robustness than RBF neural network.

仿真研究结果表明LS-SVM的逆模型辨识能力强，该复合控制系统具有比基于最近邻聚类的RBF神经网络逆控制系统更优的动态跟踪性能，更好的抗干扰能力和鲁棒性。

The typical application of Edgeworth expansion is to approximate the true distributions of statistics.

但是，由于展开式中的系数非常的复杂难求，许多转而研究二阶的Edgeworth展开。

It mainly studys approximate engineering synthesis algorithm about effective cross section area of valve, Sa, which synthesis by geometrical cross section areas of restrictor in valve flow channel.

重点研究了由阀流道节流口几何截面积合成阀有效截面积 Sa 的近似工程合成算法。

Multiple blood samples were taken for measurement of the time course of the drug concentrations, and the electrocorticogram processed (approximate entropy, for propofol and methohexital and percentage high frequency time, for ketamine) to numerically quantify drug effect.

结果：使用药代/药效分析法得出的t1/2Keo：氯胺酮为2.0±0.4min，异丙酚为2.7±1.1min，而美索比托的t1/2Keo为0.3±0.1min明显较前两者缩短。药代/药效分析法和总体守恒分析法在药物到达峰值的时间举无明显差异。

Through the polynomial approximation to function, resulting in more than a Peano-type and Lagrange remainder of the Taylor formula, using elementary functions Maclaurin expansions to address the limits and the approximate evaluation of the problem.

通过多项式来逼近函数，从而得到带有佩亚诺型余项和拉格朗日余项的泰勒公式，利用初等函数的麦克劳林展开式来解决极限及近似求值的问题。

In chapter 2, basic knowledge of the rough set theory, such as indiscernibilityrelation, elementary set, approximate space, upper approximation, lower approximation, negative region, boundary region, rough set, etc., and algebraic properties of rough set are introduced. At the same time, the feature of the rough, set theory is also introduced.

第二章介绍了粗糙集理论基本知识，如不可分辨关系、基本集、近似空间、上近似、下近似、负域、边界域、粗糙集等概念，以及粗糙集的代数性质，同时还介绍了粗糙集理论的特点。

The orientation of the ellipse is used to approximate the orientation of the swimmer's trunk.

的前进方向，椭圆是用来近似的方向，该游泳的主干。

Guan Lingyun Upper and lower bounds of effective bulk and shear moduli for elastic composite materials with general ellipsoid of revolution inclusion have been calculated by using the approximate formulae ,which related to the effective moduli of composite materials with imperfect interface under finite deformation ,in reference .

应用文献〔13〕中有限变形下非完美界面弹性复合材料有效模量的近似公式和微分几何方法，计算了含一般旋转椭球体夹杂弹性复合材料有效体积模量和有效剪切模量的上下限界。

An approximate calculation formula for solving the largest deflection of flection staff by using the modulus transform of elliptic integral of first kind

性质：在弯曲试验过程中，试样跨度中心的顶面或底面偏离原始位置的距离。说明：补充资料仅用于学习参考，请勿用于其它任何用途。

The two samples crystallized and annealed between 200 and 315℃ from the rubbery state or from the melt state exhi-bited a small endotherm peak at approximate 10 to 20℃ above the crystalliza-tion and annealing temterature and a large endotherm peak at 335 to 345℃.

在200—315℃结晶并退火热处理后，试样的DSC曲线上出现了两个吸热峰。低温吸热峰较小，并与结晶和退火温度Tc与在不同Tc下生成的不完整晶体的熔融和重结晶过程有关，而Tm的出现则与完整晶体的熔融过程有关。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。