解析法

And Prunus maackii Rupr ,we caculated the datas of 40 mean trees and dominant trees from 20 temporary test plots by software of IBMPC program,analyzed the growth progress of tree height,DBH and volume of Prunus padus L.

采用临时标准地法，对20块标准地的40株平均木和优势木进行了树干解析，采用IBMPC系列程序集对所得数据进行计算，以分析稠李、斑叶稠李树高、胸径和材积的生长规律。

The magnetic circuit of the generator is designed with the permeance method,and analytic expression is obtained on the magnetic induction,the permeant magnetic material thickness and length of air gap.

利用磁导法对此装置进行了磁路设计，得出了磁感应强度、磁体厚度、气隙长度三者之间的解析表达式。

First, the analytical formula of the spheriform water-bearing structures advanced detection in the whole space is deduced. Based on the analysis of large forward modeling results with finite element numerical simulation method, the apparent resistivity data in 3-D space with tunnel is translated into the data of advanced detection in the whole space with comparison method.

首先，推导出了无限全空间中球体含水构造直流电法超前探测的解析解公式，并在利用有限元数值方法进行正演分析的基础上，借助&比较法&将含隧道腔体的三维空间中超前探测视电阻率数据转换为无限全空间中的数据，并探讨了由MN电极附近电阻率不均匀所造成的干扰以及识别和去除这种干扰的方法。

Firstly, based on the catenary cable element model, a new compatible equation which reflects the relationship between the unelongated cable length and its tensile foce, is put forward.

本文首先基于悬链线解析解推导了一种反映索原长和索力之间关系的索元协调方程式，以及适用于动力松弛法找形分析的索元弦向刚度表达式。

In chapter 2, we focus on derivation of the tortuosity models for flow of Newtonian incompressible fluid in two- and three-dimensional porous media with spherical, cubic and plate-like particles by applying the geometrical method. We first present the ideal geometrical models of porous media to show the ideal and representative streamlines based on the assumption that some particles in porous media are unrestrictedly overlapped and hence of different configurations, then the average tortuosity is derived by geometrically and weightedly averaging these representative flow paths.

第二部分采用几何分析法研究了二维和三维情况下的球形颗粒、立方体颗粒和板状颗粒多孔介质中流体流线的迂曲度，首先给出多孔介质的理想几何模型，通过分别考虑固体颗粒重叠时、不重叠时以及粒子的不同排列等情形时的流体流线，然后对这些理想代表性流线的迂曲度取几何平均和加权平均，最后推导出流体流过多孔介质的迂曲度解析表达式。

Algorithm design and analysis, the distribution of work by backtracking to solve the problem, there is a more detailed source code analysis.

详细说明：算法设计与分析中，用回溯法解决工作分配问题，有较详细的源码解析。

From the view point of signal filtering,the principle of vibration signal demodulation method based on STFT is described and some factors affecting the demodulating performance are discussed.

从信号滤波角度，对基于STFT的振动信号解调方法的原理和影响其解调性能的各种因素进行了严格的理论分析，指出该解调方法实质是基于复解析带通滤波的H ilbert变换解调法。

By predigesting the 3D model under the predigestion conditions, a simple model of the parameters such as temperature and pressure in MCFC stack is developed. The method of weighted residuals is used to resolve the model, and static and dynamic state simulations are carried out.

采用加权残差法对简化模型进行数值解析，对其进行了稳态和动态数值仿真，将计算结果与实验数据进行了比较，得到了一系列仿真结论。

The Fourier approximation method is applied to solving wave height and wavelength problems of waves shoaling、for providing a normalization concept. We normalize the waves scope of depth and deep water to breaking depth into the range of 2~1. Finally、we check the experience formula computations.

中文摘要本文利用富立叶近似法解析波浪浅化过程中波高及波长的变化，并提出正规化水深之概念，将波浪存在之水深范围，深水至碎波水深正规化为2~1后，进行经验公式的推求。

The numerical model is capable of handling both subcritical, supercritical and transcritical flow, free surface and surcharged flow.

为了验证所建立的数学模型的可行性，本文计算了多个具有解析解或试验结果的算例，并对利用不同计算参数获得的计算结果进行了分析比较，结果表明：明满流模拟中，采用较小的狭缝宽度和较小的空间步长能够提高解的精度；跨临界流模拟中，采用删减对流项法模拟急流需要补充自由出流水位流量关系作为下游边界条件等。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。