通过节点数据类型以及它所支持的函数，可以在关系数据库中表示分层数据。
The node data type, with its supporting functions, gives you the ability to represent hierarchical data within the relational database.
用分层的方法协调函数。
对于分层配置，AppConfig需要安装有定制函数，以解释不止一层深的散列。
For layered configurations, AppConfig needs to have custom functions installed to interpret hashes deeper than one level.
对于轴对称任意径向分层的完全非均匀介质，建立了求解静场问题数值模格林函数的理论及高效计算方法；
The theory and high efficient algorithm is set up to obtain the numerical mode Greens function for static steady field problem in arbitrary cylindrical layered media.
通过改造绕组调制函数所建立的数学模型分析计算绕组的分层系数、正交误差和电气误差。
Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.
研究了在均匀分层介质中构成标准矢量波函数的必要条件。
A study is given to the necessary conditions for construction of normal vector wave functions in homogeneous stratified media.
图像建模有基于立体视觉的视图合成、视图插值、图像拼合、分层表示、全视函数等方法。
There are several image modeling methods such as view synthetic based on stereoscopic vision, vision interpolation, image mosaic, layered representation and plenary optic function etc.
本文采用半空间格林函数分析分层介质中的电磁场散射问题。
Some scattering electromagnetic problems in the multilayered media are analyzed using the Half-space Green's functions in this paper.
为了快速精确计算分层大地媒质中格林函数，提出了模拟镜像方法。
In order to calculate Green's function of multi-layer earth media (GFMEM) rapidly and accurately, the simulated image method is presented.
利用谱域导抗法推导分层介质的电磁流场位并矢格林函数各分量的统一的表达式。
The uniform expressions of multilayered medium spectral dyadic electric and magnetic current Green's functions for field and potential are derived by using spectral domain immittance approach.
积分式中的被积函数包含一噪声强度垂直指向性因子，海洋介质分层条件通过该指向性因子影响噪声场的空间相干。
The integrand includes a multiplying factor of the vertical directivity of the noise intensity, and the layered ocean environment affects the spatial coherences via this directivity factor.
应用此模型，并结合分层介质中的并矢格林函数，分析了贴片天线的辐射阻抗、空间波辐射效率等特性。
Using this model and the relevant dyadic Green's function, some characteristics of a rectangular patch antenna near resonance, such as radiation resistance and space wave efficiency, are analysed.
给出了描述稳定剂浓度与悬浮液分层时间之间函数关系的经验公式。
The functional relationship between the concentrations of the stabilizing agent and the separating time of the suspensions is given .
使用离散复镜像方法(DCIM)快速得到平面分层介质的空间域的闭式格林函数，避免了费时的索末菲尔德积分。
To avoid calculating the time-consuming Sommerfeld's integrals, the discrete complex image method (DCIM) is employed to obtain spatial domain closed-form Greens function for planar-layered media.
该算法采用分层思想，将局部规划与全局规划相结合，并对代价函数进行了改进，在保证航迹优化的基础上，提高了搜索效率。
The algorithm uses the thought of delamination, makes local planning and global planning combination, and improves cost function, finally with ensuring optimal trajectory increases search efficiency.
当核幔-地表小于6个分层时，本文能解析地给出了粘弹性地球环形场的特征松弛时间。并写出了地表剪切应力激发下的特征函数表达式。
The eigen-relaxation time and eigen-function for viscoelastic toroidal deformation can be analytically given when the total layer number is up to 6 between CMB and earth surface.
文章采用分层聚类算法，定义了新的准则函数，同时解决了确定星座点实际位置和星座点数目的问题。
In this research hierarchical clustering algorithm is used with a newly defined criterion function, and it can cluster data without known cluster number.
雪灾分析中危险度函数的建立，可以实现雪灾的综合分层次预警评估。
The foundation of the function of snow calamity fragility degrees can lead to the realization of integrated and stepwise forecasting, warning and assessment.
提出了部分层学习算法，并推导出隶属度函数的参数学习算法，改善了诊断规则和学习性能。
Meanwhile, parameter learning algorithm of the membership function is developed. Both of them improve diagnostic rules as well as learning properties.
本文根据连续介质力学理论，用传递矩阵法求得分层土端承桩的阻抗函数。
The impedance function of the end bearing pile in stratified soil has been obtained by the method of transfer matrix according to the theory of continuous medium mechanics.
该方法可方便地考虑桩、土、承台和垫层的相互作用，地基土的分层特性和桩身荷载传递函数的非线性。
The pile-soil-cushion-cap interaction and the nonlinearity of load transfer for layered soil could be considered conveniently in this method.
对异构资源互访的支持：通过数据组织和分层结构，及函数接口向用户提供了统一的资源对象接口，解决了异构系统互访的问题。
Support to heterogeneous resource: it solved the heterogeneous system problem via the organization and level architecture of data information and interface of API.
研究了在均匀分层介质中构成标准矢量波函数的必要条件。
The necessary conditions for construction of normal vector wave functions in inhomogeneous media with graded refractive index are studied.
根据分层吉布斯随机场模型，采用小波函数分级拟合均值曲面，提出了二值化方法。
By using the multi resolution analysis to interpolate the mean values based on hierachical model of Gibbs random field, a method for binary sketch of grey imagre was proposed.
计算每个可能震中位置的目标函数，取目标函数最小值为震中，并以此可分层计算得到震源深度及发震时刻。
In this method first the objective function of each possible epicenter is calculated then the exact epicenter can be defined under such a condition that the objective function is minimum.
计算每个可能震中位置的目标函数，取目标函数最小值为震中，并以此可分层计算得到震源深度及发震时刻。
In this method first the objective function of each possible epicenter is calculated then the exact epicenter can be defined under such a condition that the objective function is minimum.
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