基本域

The result for an aluminum sphere with gaussian pulse incident wave was compared to the theor y value obtained by inverse Fourier transform from the product of Rayleigh serie s with incident wave in the frequency domain, which shows a good agreement.

计算了高斯形脉冲入射下弹性铝球的无量纲反向散射声压，并和由频域的Rayleigh 简正级数解与入射波的频谱的乘积作反变换得到的精确解做了比较，两者趋势基本一致。

This method is extended to the semi-infinite liquid field problems, which has a wider application in engineering, by modifying the fundamental solution of Laplace equation using mirror method and superposition method.

在此基础上，通过映象法和迭加原理修改 Laplace方程的基本解，将该方法推广到半无限域流场的情况，适用范围更广。

Firstly, the basic concept and convention about formalized stand language LOTOS is introduced, and, the language was improved and extended by adding discrete time domain and time operator to confirm its syntax and semantics rules.

本文首先论述了形式化规范语言 L OTOS的基本概念与约定，对其进行了基于时间的改进和扩充，引入了离散时间域和时间操作算子，然后确定其相应的语法定义和语义规则，通过仔细分析分布式环境下的多媒体同步问题，基于时间扩充的 L OTOS，给出了一种特殊的多媒体同步系统以及具体的算法描述。

Firstly, the basic concept and convention about formalized stand language LOTOS is introduced, and, the language was improved and extended by adding discrete time domain and time operator to confirm its syntax and semantics rules. Then, a special multimedia synchronization system and implement algorithm is proposed by anatomizing multimedia synchronization problems in distributed environment.

本文首先论述了形式化规范语言LOTOS的基本概念与约定，对其进行了基于时间的改进和扩充，引入了离散时间域和时间操作算子，然后确定其相应的语法定义和语义规则，通过仔细分析分布式环境下的多媒体同步问题，基于时间扩充的LOTOS，给出了一种特殊的多媒体同步系统以及具体的算法描述。

A basic method of wave_number in three dimensions（MWN3D） is employed to solve the thermal conductive equation in this paper. Meantime, we take some numerical experiments to discuss the reliability and adaptability of this method.

给出了三维热导方程波数域的基本解和算法（MWN3D），并通过数值模型的方式验证、讨论了这一方法的可靠性和适应能力。

Objectivism and subjectivism has the similar main points with that of metaphysical history.

客观主义和主观主义的基本要点与形而上学历史学视域中的相同。

In point set topological theory, open set and neighborhood are the basic concept.

在点集拓扑理论中，开集、域等是最基本的概念。

For the chapter 3, it mainly aims at inspecting the theory of individual-centered educational aim in an oppositive direction from the view of society.

第三章，旨在从社会的角度反观个人本位的教育目的论，根据协调个人与社会价值关系的要求，从理论上提出并探讨三对关键的价值关系范畴，即"个人自由与社会控制"、"作为自我而存在的勇气与作为部分而存在的勇气"、"独处生存与联合生存"，以期把个人问题放在与社会的关系域中加以考察，从另一个不同的角度进一步加深对个人主义哲学基本的价值准则的理解与把握。

These new wavelets inherit some basic properties of the corresponding classical wavelets, such as the orthonormality, the order of regularity, the time-frequency localization characteristics, and so on, meanwhile some performances of the new wavelets are improved.

新子波类中的每一个子波均继承了原始子波的许多基本性质，比如规范正交性，正则阶，时、频局域化特性等，同时也得到某些性能的改善。

In order to overcome the incompleteness of the data types as well as keep the problem overdetermined, a challenging work on efficiently extracting new data types from measured TPSFs has been under its way. One of the solutions to this work is solve the problem in its frequency domain-which introduce the GPST.

为克服数据类型的不完备性以及保持问题的超定性，快速而有效的数据类型的抽取一直是光学CT研究中的重要课题，解决办法之一是将问题变换到频域进行求解-这便是GPST的基本思想。

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。