二层的

For the mapping problems in binary field, a learning algorthm is given to choose better hidden nodes for multilayer feedforward networks, by means of solving maximum separated groups.(7) Expert system for evaluating oil shale is constructed based on neural networks.

改进了前述两种多层前向网络学习算法，使网络的隐节点减少一个；对二值域上的映射问题，通过求解选择样本集极大划分组的手法，给出了一种选择较优隐节点的多层前向网络学习算法。

ERT is particularly suitable for the two-phase (or multi-phase) flow applications having a conductive continuous phase, and is able to provide 2D/3D visualization information of the parameters of a multi-phase mixture flowing inside a closed pipe or vessel.

电阻层析成像技术是近年来发展起来的一种基于电阻传感机理的过程层析成像技术，适用于两相流中以导电性介质为连续相的工业过程，可提供封闭的管道或过程容器设备内部多相组分物质参数的二维/三维可视化信息，具有非侵入、响应速度快、成本低、安全性能好、适应范围广等优点。

A two-dimensional Reynolds-averaged Navier-Stokes solver is applied to analyze the aerodynamic behavior of the ShockBoundary-Layer interaction of rocket with a booster. The K-ε turbulence model and a finite volume method in a unstructured body-fitted curvilinear coordinates have been used.

本文利用二维雷诺平均的Navier-Stokes方程，采用K-ε湍流模式，运用有限体积法，对大型运载火箭的助推器与芯级的激波边界层干扰进行了二维数值模拟。

Include general knowledge of network topology, CAN and LIN bus the basic principles of two kinds of bus physical layer and data link layer protocol content, programming and diagnostic controller, but also a demonstration of system development tools.

内容包括一般网络拓扑知识，CAN和LIN总线的基本原理，二种总线的物理层和数据链路层协议内容，控制器的编程和诊断，也有系统开发工具的演示。

On the basis of classical lamination theory and large deflection hypotheses of plate, the equilibrium and compatibility equations of simply supported composite laminated plates were obtained. The nonlinear partial differential equations are transformed into the ordinary differential equations of Kronecker tensor product by series expansion and solved numerically by the fourth-order Runge-Kutta method.

基於经典的层合板理论及板的大挠度基本假设，得到四边简支层合板的非线性运动方程及变形协调方程；用级数展开把非线性偏微分方程组化为易於求解的Kronecker张量积形式的二阶常微分方程组，并由四阶Runge-Kutta法数值求解。

Similar to the border trap capacitance at low-frequency C-V curves, additional recombined charge per cycle at low-frequency charge pumping measurements could be attributed to the repetitive recombination of majority and minority carriers which instantly tunnel into and out of the border traps located near the high-k/oxide interface.

如同在低频电容—电压图形中的边界缺陷电容值一般，在低频电荷泵浦方法中所量测到的额外每单位循环再结合电荷载子数目，皆可归因於反覆的多数与少数载子再结合，而此一现象主要发生於高介电常数介电层/二氧化矽氧化层介面附近的边界缺陷。

In order to find a powerful assistant computation tool for further analysis and design of multilayer optical coatings,an analytical model is mathematically established for accurate calculation of the first and second derivatives of the spectral coefficients of multilayer optical coatings with respect to layer parameters like thickness,real refractive index and extinction coefficient. It is based on the matrix theory of calculating the spectral coefficients of multilayer optical coatings and is achieved by perfectly using the trace operation of matrix.

为了寻找一种膜系深入分析与设计的有力辅助计算工具，从光学薄膜光谱系数的矩阵计算理论出发，基于对矩阵求迹运算的巧妙运用，从数学上建立了准确计算膜系光谱系数关于膜层几何厚度、实际折射率和消光系数等膜层参数的一阶和二阶偏导数的解析模型。

Find out the key different properties of layer ⑥, layer ⑦1 and layer ⑦2 soil broadways, find out the key different properties of each layer of soil lengthways.(4) To find out several measures that can improve the safety performance of

从横向比较了⑥、⑦1、⑦2这三层土冻结性能的差异性，从纵向分析了各层土的参数在二次冻融循环条件下的变化规律；(4)从试验结果得出可以对有利于提高人工冻结法安全性的措施，提出冻土温度在-12℃～14℃之间时安全性和经济性都比较合理。

Diploblastic cnidarians as the outgroups, the phylogenetic trees of bryozoans and lophotrochozoans were reconstructed by the 28S rDNA analyses of theirs and other related bilaterians obtained through GenBank with different methods, respectively. Meanwhile, the primary and predicted secondary structures of their partial divergent 28S rDNA domains were compared and analysed.

结合GenBank上其他三胚层动物的相关序列数据，以二胚层刺胞动物为外类群，运用遗传分析软件，以不同方法构建了苔藓动物以及触手冠担轮动物的分子系统树；同时绘制了各代表类群28S rDNA的部分多变区的二级结构，并对其形态学特征进行了比较分析。

Moreover, the system of secondary development has function that stores ultimate figure result into spatial database, it is not steady but flexible at any moment, it can so discretionarily superpose together with other figure layers that it forms synthesis figure set of multi-layer superposing and complicated content for the zone supplying accessorial support.

经二次开发实现的该应用型地理信息系统的另一个重要的功能还在于，能将以上最终成果图件存储于空间数据库中，之后可随时调用，与其它图层任意叠置，共同构成多层叠置、内容复杂的综合图件，为研究该地区水化学分布规律提供辅助决策支持。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。