结合原理

The connation of the theory of learning from foreign countries and following own way embodies the basic attitude that Mao Zedong treat Marxism--the common principle of Marxism also should be combined together with specific practices of Chinese revolution, which also is the basic spirit through the whole development process of Marxism in China.

毛泽东哲学思想在"学习外国经验与走自己的道路"中的含义具体地表现为毛泽东对待马克思主义的基本态度，"马克思主义的普遍原理一定要同中国革命的具体实践相结合"就是毛泽东对待马克思主义的基本态度，也就是始终贯串中国马克思主义发展过程的根本精神。

Then, based on conservation of energy law, the physical cause of it was analyzed.

然后根据能量守恒原理，分析了混凝土浇筑结合面上节点初始温度取值不同时，造成温度场计算值与理论分析值偏差的物理原因。

Based on the principle of rank consistency, it presents the ordering chain comparison method for determining weight vector and memberships.

在排序一致性原理的基础上，提出了确定目标权重向量与指标隶属度的有序链式比较法，进而结合神经网络BP学习算法的思想与模糊优选模型，建立了基于神经网络权重调节模型的多属性决策问题的模糊综合决策方法，使得权重的确定较为客观、准确，具有自学习功能。

According to 1∶10 000 topographic maps,basic forestry pictures and forest constitutional diagram,based on the landscape ecology principles and the technology of geographical information system,the landscape spatial pattern and diversity of the forest around Cuiping Lake of Gutian were analyzed.

利用福建省古田水库国有防护林场1996年二类资源调查资料和2001年补充调查资料基础数据，结合1∶1万地形图、林业基本图和林相图，运用景观生态学原理，借助地理信息系统技术，对古田翠屏湖的森林景观空间格局及其多样性进行分析。

Based on the series expansion technology in complex potential theory established by Muskhelishvili the complex stress functions can be estabished. By utilizing the continuity principle of the boundary condition and the characteristics of far field and according to the comparison of the coefficients of the terms on both sides of the equation with the same exponent the present problem can be transformed into solving of linear equation set.

根据Muskhelishvili复势理论的级数展开技术，构造了合适的各区复应力函数；然后，利用边界上位移、力的连续性条件和远场的性态，通过等式两边同次幂指数的系数比较，将问题转化为线性方程组的求解；结合叠加原理，获得混凝土在此情况下环向应力的解析解答。

Also, by using exponential dichotomy, contraction map theorem and matrix theory, some sufficient conditions are obtained to ensure the existence and global exponential stability of almost periodic solution for MAM neural network with distributed delays.

利用矩阵的谱半径、指数二分法结合运用压缩映射原理获得了分布时滞多向联想记忆神经网络模型概周期解的存在性，并在相同条件下证明了概周期解的全局指数稳定性。

A sufficient condition is obtained to ensure the existence and uniqueness of almost periodic solution for MAM neural network with time-varying delays by way of exponential dichotomy and contraction map theorem. Moreover, the global exponential stability of the almost periodic solution for this type of MAM neural network is proved by using Halanay inequality.

利用指数二分法结合运用压缩映射原理获得了变时滞多向联想记忆神经网络模型概周期解的唯一存在性，利用Halanay不等式证明了变时滞多向联想记忆神经网络概周期解的全局指数稳定性。

Especially, the technology of Automatic Gain Control and signal processing are studied which are key factors working on the performance of the receiver. Based on analyzing the theory of automatic Gain Control, operational amplifiers 0P37 and logarithmic D/Aconverter AD7111A are used to design variable gain amplifiers which can be controlled numerally, A/D convector LTC1405 is Used to test the echo, Complex Programmable Logic device is used for controller, and an arithmetic is designed for automatic Gain Control which is simulated and analyzed in order to test its feasibility.

本文在分析自动增益控制AGC原理的基础上，采用集成运放OP37和数控增益衰减器AD7111A设计可数字控制的可变增益运放模块；采用高速A／D转换器LTC1405作为回波信号检测模块；采用复杂可编程逻辑器件CPLD作为核心控制模块，构成数字自动增益控制电路，并设计粗调和细调步进控制相结合的算法，对回波信号的增益进行精确而快速的调节控制，使回波信号振幅快速稳定在设计指标范围内，利于接收机后续信号处理电路对回波信号作进一步的处理。

A new method using convex optimization and projection is proposed to design the low-order cont roller.

提出一种将凸优化算法和投影原理相结合的降阶控制器设计新方法。

In this paper, taking the downward continuation of potential field as an inverse problem of upward continuation, we obtain a convolution type linear integral equation for downward continuation. Making use of the orthogonal symmetry characteristic of Fourier transform matrix, and combining the principles of singular value decomposition of matrix and generalized inverse, we proposed a stable generalized inverse method for downward continuation of potential field, called wavenumber domain generalized inverse algorithm, which doesn't need the computation for inverse matrix. It resolves the instability of potential field downward continuation of large depth.

本文通过把位场向下延拓视为向上延拓的反问题，得到向下延拓的褶积型线性积分方程，再利用Fourier变换矩阵的正交对称特性，并结合矩阵的奇异值分解和广义逆原理，提出了一种稳定的不需要进行求逆运算的位场向下延拓广义逆方法——波数域广义逆算法，解决了位场大深度向下延拓的不稳定性问题。

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。