组合方法

In this thesis, by employing generating function technique, some new combinatorial identities have been established. Furthermore, the integral values of some kinds of series involving generalized Fibonacci and Lucas numbers at rational numbers are given and the values of some polynomials at rational points have been studied as well.

本文利用发生函数理论建立了一系列新的组合恒等式，并且利用发生函数方法讨论了一些级数的取整值问题以及某些多项式在有理点的取值问题。

The World Health Organization says artemisinin -based combination treatments are the best way to treat common malaria.

世界卫生组织说基于artemisinin的组合疗法是治疗普通疟疾的最好方法。

For example where usage is infrequent, high importance may be given to measures of learning and relearning.

由于测量可用性的重要程度是依赖于使用背景和描述可用性的目地的，所以并没有一个通行的准则来选取或组合测量的方法。

The principle of attitude determination with single-antenna GPS and accelerometers was introduced.

研究了利用单天线GPS和加速度计组合进行姿态测量的方法。

In chapter 2, the combined approximations of displacements, stress, and forces are introduced.

本文的第二章讨论了位移、应力和单元力的组合近似方法。

This paper has put forward the combined forecasting based on grey correlation fixed weight and GM(1,2) time-lag model.

提出一种基于灰色关联度和GM(1，2)迟滞模型的组合预测方法。

Zhangtianqu oilfield locates in the center of Yixia west slope, Ordos Basin. The field has a complex hydrocarbon-bearing bed set. On principle that lithology and reservoir can be identified, geologic parameters such as shale content, porosity, and oil saturation can be determined and be used to distinguish oil-bearing formation from water formation, as well as costeffectiveness, an improved logging interpretation model has been established. The model extends conventional single porosity interpretation methodology to identify various lithologies (such as coal seam, radioactive sandstone, carbonate rock besides sandstone and shale) by comprehensively analyzing the logging responses of sand reservoirs on economic logging set of acoustic logs and induction logs. Applications on real data show the improved model is superior in identifying complex lithology with conventional logging data.

张天渠油田位于鄂尔多斯盆地伊陕斜坡西部中段，该油田含油层系复杂，在岩性地质特征分析时，本着&能确定岩性，划分储层，提供泥质含量，孔隙度，含油饱和度等地质参数，区分油层，水层，以及经济适用&的原则，选用经济适用的声感组合测井系列，通过综合分析砂岩储层的测井响应特征，对传统单孔隙度解释方法进行改进，增加识别多种岩性成份(除砂岩，泥岩外，局部含有煤岩，放射性砂岩，碳酸盐岩等复杂岩性)的功能，建立了适合该油田的测井解释模型，提高了利用常规测井资料识别复杂岩性的能力和测井参数的解释精度，为油田勘探开发提供依据。

The research results show that a PDE surface can avoid the construction of continuous functions and a compound PDE surface reconstruction can conveniently realize the crosssectional contour surface continuity of the first order or more parameters.

实验结果表明，PDE重构断层间轮廓线表面避免了连接函数的构造，而且基于组合PDE曲面的断层间表面重构方法能方便地实现轮廓线间表面的一阶或一阶以上的参数连续。

Phase-lagged cyclic boundary condition is implemented by a novel method in conjunction with the developed sliding interface technique to accurately simulate the arbitrary pitch ratio rotor/stator interaction without any modifications of the physics of the problem. It's for the first time to compose the computational area into one structured grids including both rotor/stator of centrifugal or axial turbomachinery with arbitrary pitch ratio. This method can eliminate the iteration of boundary conditions on the sliding interface and calculate the unsteady flow within rotor and stator simultaneously.

为了能够在较小的计算区域内不改变叶型而真实地反映出任意栅距比时的内部非定常流场，并避免近似仍采用相位后滞周期性条件，结合本文发展的网格技术，给出了一种新的实施方法，首次将动、静叶片数不等的离心式/轴流式叶轮机械转子、静子计算区域组合在一套结构化计算网格中，动/静叶排间的滑移界面完全按内场处理，避免了每一时层内，滑移界面处边界条件的迭代计算；并保证了每一时层，滑移界面处流动参数的守恒特性。

Furthermore, to avoid generate an exponential number of instantiations, the Viterbi algorithm was proposed to seek for the optimal combinatorial solution for each function module. Finally, an example was provided to illustrate the validity and rationality of the proposed method.

最后，采用Viterbi算法实现模型的求解，找出一组使产品性能最优的功能模块实例组合，并通过实例验证了方法的有效性和合理性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。