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Trigonometric series is used to simulate stationary, non-stationary, Gaussian andnon-Gaussin stochastic processes by spectral representation in which the non-stationary stochastic processes are expressed as the product of determinate functionsand stationary stochastic processes.

结合随机变量的Monte Carlo模拟法，随机场的局部平均法与随机过程的三角级数模拟法，用均值、方差、相关长度及功率谱等，可有效地描述随机变量、随机场、随机过程，及同时具有场与过程随机的变量。

In order to simulate the global characteristics of wave propagation in solar chromosphere-corona, by employing a 2-dimensional MHD simulation subjected to a self-consistent non-isothermal, non-uniform initial state in spherical geometry, we study numerically the global propagation process of disturbances initiated by a pressure pulse implemented at the bottom of chromosphere.

在球坐标中一自洽的非等温非均匀等离子体初态下，应用二维理想磁流体动力学全球模拟，对色球底部压力脉冲引起扰动传播的全球问题进行了数值研究。

In the present study, the FEM model of non-symmetric spinning has been established and the spinning process has been simulated, which reveals deformation characteristics of non-symmetric tube spinning.

文章建立了三旋轮非对称强旋的有限元计算模型，通过对非对称强旋的三维刚粘塑性有限元数值模拟，揭示了非对称强旋的变形特点。

Tube spinning with non-symmetric distribution of three rollers has special advantages in hot spinning of large-diameter tubular workpieces, but there is little information available in the literature concerning non-symmetric spinning.

三旋轮非对称强旋在大型筒形件热旋工艺中具有独特的优势，然而关于非对称强旋的研究开展较少。

The research mainly focuses upon the unique deformation mechanism, forming method, quality control and parameter optimization, and the key technologies in Finite Element Analysis for the 3D Non-Axisymmetric thin-walled tube spinning. A CNC spinning equipment for the 3D Non-Axisymmetric thin-walled tube has been designed and manufactured based on the experimental investigation of the forming method.

着重研究变形机理、成形方法、质量控制及优化成形工艺参数，解决三维非轴对称零件旋压成形过程数值模拟关键技术；通过对成形工艺方法的试验研究，研制出能够旋压成形三维非轴对称薄壁空心零件的工艺装备。

Then, to incorporate non-linear earth pressure gradual change theory, to get non-linear earth pressure all spring elastic ground beam method which is related to wall deviation direction and magnitude.

然后结合非线性土压力渐变理论，得出非线性土压力全弹簧的弹性地基梁法，该法与墙体变位方向与大小均有关。

By analyzing the mechanics relation between the sprocket wheel and the pallets of the pallet draught device in a sintering machine,the non- arching mechanics model of the pallets was established and the force control method for the non- arching sintering machine was put forward.

通过分析带式烧结机台车执行牵引装置的星轮和台车的力学关系，建立了台车无叠肩起拱的力学模型，提出了无叠肩起拱带式烧结机的力控制方法。

The main research contents are the modeling of price or returns series and correspondent volatility and risk. The main contents of this course include: modeling of single stationary time series and single non-stationary time series, non-linear modeling of single series, cointegration and vector autoregression modeling, etc.

适用于低频和高频数据；分为时域分析、谱域分析和回归分析集中分析方法；主要研究内容为价格或收益序列的建模，以及相应的波动性或风险的建模；主要内容分为单个平稳时间序列的建模、单个非平稳序列的建模、单个序列的非线性建模、协整和向量自回归建模等等。

The method of the invention comprises the steps as follows: step 1: each frame of image is divided into N areas according to the sequence of coding and the bit flow length of each area after coding is recorded; step 2: according to the comparison result between the bit flow length of the coded area and a prearranged gate limit, the number of non-zero DCT coefficients of non-coded areas allowed in the coding process is adjusted.

本发明提供一种码率控制方法及控制装置，方法包括：步骤一、对于每帧图象，都按照编码的先后顺序划分为N个区域，并记录每个区域编码后的码流长度；步骤二、根据已编码区域的码流长度与预定门限的比较结果，来调整未编码区域在编码过程中所允许的非零DCT系数的个数。

The author makes an empirical study on the stock price and price/book value ratio, trying to make exploring research methods in the non-tradable share pricing. These researches are important for the non-tradable share pricing in listed companies of China.

本文通过对中国上市公司的股价与市盈率和市净率的线性关系的实证研究，试图对中国上市公司的非流通股估价方法进行探索，这对于中国上市公司进行非流通股估价有重要的现实意义。

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。