对称

The demand information asymmetry is common in supply chain and is one of the main factors to low efficiency of supply chain.

需求信息不对称是在供应链合作中普遍存在的现象，是导致供应链效率下降的主要因素之一。

The insurance market is a typical information market, and information asymmetry will increase transaction cost of both parties.

摘要］保险市场是典型的信息市场，信息不对称增加了双方的交易成本。

Solutions of the network are represented by the eigenvalues and eigenvectors of the symmetric matrix, and the asymptotic behavior of the solutions is analyzed.

这一表达式是由对称矩阵的特征值与特征向量表达的，因而非常清晰。利用解的解析表达式分析了网络的解的全局渐近行为。

Topics include permutation tests, permutation limit theorems, 2-sample rank tests and their asymptotic efficiency, k-sample rank tests, 1-sample tests of location, paired comparisons, rank tests for symmetry and independence, and analogues of linear modeling based on ranks.

包括排列检验，排列极限理论，两样本秩检验及其渐进有效性，k个样本的秩检验，单样本的位置检验，配对比较检验，对称分布和独立分布的秩检验，基于秩的线性模型的模拟。

Topics include permutation tests, permutation limit theorems, 2-sample rank tests and their asymptotic efficiency, k-sample rank tests, 1-sample tests of location, paired comparisons, rank tests for symmetry and independence, and analogues

包括排列检验，排列极限理论，两样本秩检验及其渐进有效性，k个样本的秩检验，单样本的位置检验，配对比较检验，对称分布和独立分布的秩检验，基于秩的线性模型的模拟。

By using nonconforming element and Bramble-Hilbert-Xu Lemma, Laplace approximating eigenvalue is given by the means of asymptotic expansion and the main error terms are presented ,too.

利用Bramble Hilbert Xu引理对Laplace特征值用一个非协调元作对称展开，给出该单元在研究Laplace特征值问题时的误差主项，并进一步给出外推结果，最后给出数值验证。

An asymptotic series solution is constructed by the perturbation technique of deflection type for postbuckling behavior of the plates with four simply supported edges in biaxial compression.

基於Reissner剪切板理论和Karman型板的精化理论，导出了反对称斜交铺层剪切矩形板的广义Karman大挠度方程，并运用位移型摄动技术，构造出双向压缩四边简支矩形板的后屈曲渐近级数解。

In this paper, the asymptotic stability of the Hopfield neural network is studied.

用新方法求出的权值矩阵是非对称的，易于硬件实现。

It is shown that the far-field divergence angle of nonparaxial rotationally LG beams approaches to an asymptotic value of 63.435° as the initial waist-width to wavelength ratio w0/λ approaches zero,which is independent of the order.

计算结果表明，当初始束腰宽度和波长之比w0／λ趋于0时，对任意非傍轴旋转对称LG光束，远场发散角趋于渐近值63.435°，与阶数无关。

Asymmetry information will cause adverse selection and moral hazard, at last, it will lead invalidation of market.

信息不对称的存在会引起逆向选择和道德风险的问题，最终导致市场失效。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。