查询词典 abelian equation

The diffusion wave equation used to represent flood wave propagation in waterways is based on continuity equation and the mome...

Ponce证明天然河道中洪水波，在一定条件下属于扩散波也有20余年历史。

System of coordinates and the transfer of axes are introduced to analyze the force and the moment of force. Based on this, the dynamic equation and the kinematics equation are built. Combining with the mass changes and the control relationship, the kinematics model of missile is completely set up. According to the subject studied in this thesis, and based on some assumptions, the model of Bank-to-Turn missile is built.

引入了研究导弹制导控制系统常用的坐标系及各坐标系之间的关系；分析了作用在导弹上的力与力矩，在此基础上建立了导弹动力学方程和运动学方程，结合导弹质量变化和对导弹的操纵关系，建立了空空导弹的运动学模型；针对本文的研究对象，在一定假设的基础上建立了倾斜转弯导弹的数学模型。

The equation of lattice vibration of one-dimensional monatomic lattice and the equation of longitudinal vibration of a uniform bar are discussed.

一维单原子链晶格振动与均匀杆自由纵振动的运动方程在数学上存在内在的联系。

Although the Monteith equation slightly better t the data, it was not better than the Greenwood equation when confronted with year-to-year variation of potato growth.

虽然Monteith公式稍微更好地适应数据，有人不低于格林伍德方程时，与上年同期相比增长面临的变化更好的马铃薯

All the Tikhonov regularization theory, regularization operator and regularization parameter are given a complete analysis and discussion. The differentiability of Morozov discrepancy equation is investigated. And the image noise, as the knowledge a prior, is estimated and the equation is modified.

图像复原计算方法的研究是一个反卷积的病态性求解问题，本文用反问题正则解的基本理论，对经典的图像复原方法依正则化思想进行了细致的分析与研究。

By a series field observation data, an empirical equation of mean velocity of viscous debris flow was got. The velocity calculated by the asymmetric coefficients, bottom slope and hydraulic radius of flow. It is good at both high resistance and low resistance area of debris flows. It is good consistent for the measuring velocity of otherwise field observation data of debris flow and viscous mudflow by this empirical equation.

由一系列野外观测资料得到的由泥石流不均匀系数、泥石流运动底部纵比降和水力半径计算的粘性泥石流运动平均速度经验公式，能适应各种类型的泥石流沟，与其它系列的观测资料对比有很好的一致性，与粘性泥流的观测资料对比也很接近。

We use the filtered variables to build Ridge estimation equation, and calculate the multiple correlation coefficient, at the same time passed the correlation test of the Ridge estimation equation; we built forward neural network model based on SCG method and momentum method under the MATLAB 6.5 situation, when estimating the fuel load of the sampled plots, the average precision of the artificial neural network model is 89.51%.

利用筛选出的自变量构建岭估计方程，并通过了岭估计方程的相关检验；在MATLAB6.5环境下构建基于SCG法和动量法的前向神经网络模型，在对所设置实验样地可燃物估测中人工神经网络模型估测的平均精度为89.5%。

Conservation of mass.conservation of moment muni and conservation of energy are basic regularity obeyed by all movement in nature.For a certain problem in natrue .if we quantify the corresponding conversation law . we can deduce partial differential equation reflecting this problem .and every differential equation reflecting a special physical phenomenon on certain codition.

质量守恒、动量守恒和能量守恒是自然界一切运动所遵循的基本规律，对于自然界的某一特定问题，如果把相应的守恒律数量化，就导出刻划这个问题的微分方程，每一个微分方程都在一定条件下刻划了某一特定的物理现象。

This paper deals with the fertilizer rate for high—yield hybrid rice. By using the regression analysis, a hyperbola equation between soil natural nutrientsupplying rate and available nutrient content and a power functional equation between hybrid rice yield and nutrient uptake have been set up.

本文研究了高产杂交水稻的施肥量，通过回归分析建立的土壤养分自然供给量与土壤速效养分含量之间的双曲线方程和水稻产量与养分吸收量之间的幂函数方程，阐明了土壤养分自然供给量随土壤养分含量的变化而变化的规律和水稻产量与养分吸收量之间的关系。

Based on natural gas state equation and dynamic theory of natural gas migration, natural gas velocity of flow rate equation before and after temperature and pressure decreasing is fetched, and with which interface natural gas lengths in different reservoirs are calculated and the changing law of equivalent-length natural gas in migration is analyzed, whence it is discovered that migrating velocity of natural gas along tilting up reservoir is increasing inch by inch, along with temperature and pressure continuously decreasing.

由此发现，在运载层物性不变的情况下，天然气沿上倾地层向上倾方向运移的过程，是随地层温度和压力不断降低、其运移速度逐渐增大的过程，如果有后续气体的加入，会使气体长度增大，致使运移速度增加得更快。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。