查询词典 multimedia extensions

Today, more and more multimedia information sources are available in digital form due to the development of computer and Internet. The issue to speed up the similiarity query of multimedia object becomes much important.

随着互联网和多媒体技术的迅速发展，人们可以访问到的多媒体数据急剧增长，如何实现多媒体数据对象的相似检索成为一个非常重要的研究课题。

With the rapid development of Internet and multimedia technology, network-based multimedia interactive technology has been widely applied.

随着互联网和多媒体技术的飞速发展，基于网络的多媒体交互技术得到了广泛的应用。

Today, the technical trend is digital and multimedia. Multimedia communication has become an important way of intercommunion to people.

在今天数字化、信息化的浪潮下，多媒体通信已经成为越来越重要的信息交流手段。

In order to introduce the formal techniques such as stepwise refinement, automatic transformation and testing based on formal specification to the multimedia field, we first present a powerful subset of Allen's interval algebra as the temporal specification language to multimedia program.

为了在多媒体领域中应用逐步求精、程序自动生成和面向形式规范的并发系统测试等形式化技术，本文首先研究一个表达能力足够的Allen区间代数的子集合，以它作为多媒体对象时序关系的描述语言。

This paper makes a taxonomy of networked multimedia application at the beginning,and then introduces some more important basic concepts involved in the multimedia communication, including static media and continuous media,isochronous communication and asynchronous communication,and so on.

本文首先对网络环境下的多媒体应用程序进行了分类，介绍了多媒体通信所涉及的一些比较重要的基本概念，包括静态媒体和连续媒体概念、等时通信和异步通信概念等，讨论了连续媒体数据的基本特征。

Multimedia can help students focus attention on the link between knowledge, rather than fragmented, isolated individual point, use multimedia learning system, students are faced with "where" the "study" of choices to retrieve the information needed.

多媒体能引导学生把注意力放到知识间的联系上，而不是片断、孤立的个别点上，使用多媒体系统学习，学生面临着"往哪走""学什么"的选择，以检索所需的信息。

Combined with the application of OOD in formal specification of distributed multimedia system, a scheme building on ground of LOTOS/QTL (or Esterel/QL) and adopting the idea of OOD has been given. This method can be used to construct time model and synchronization model in distributed multimedia systems.

结合对面向对象技术在分布式多媒体的形式化描述中应用的方法分析，本文提出了一种以LOTOS/QTL或Esterel/QL为基础，融合面向对象技术的形式化描述方案，该方案可用于建立分布式多媒体系统的时间模型和同步模型。

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。

With the rapid development and low-cost of digital multimedia, digital multimedia applications become more and more widely.

随着数字多媒体技术的迅速发展以及成本的急剧下降，数字多媒体的应用范围也越来越广泛。

In multimedia transaction market on Internet, copyright of multimedia is short of effective protection.

现在大多数多媒体商务系统主要是采用密码技术来确保交易过程中的数据完整性、交易双方的身份认证和交易行为的不可否认性。

It's not quite as simple as that.

并没有那么容易。

It debuted in 1992 in Japan and the United Kingdom, and 1993 in the United States.

它首次亮相于1992年在日本和英国，在美国1993年。