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切換電路的連接設(shè)置的結(jié)果是保留了從發(fā)送端到接收端的包所通過(guò)的線路帶寬。其它的特性這一就是所有的包都沿同一個(gè)線路意味著如果包傳輸超過(guò)了時(shí)序那它將不能到達(dá)接收端.由于沒(méi)有路徑用來(lái)進(jìn)行包交換,所以要想不同的包沿不同的路徑傳送就是能依靠網(wǎng)絡(luò)的條件了。這樣包即便是超過(guò)了時(shí)序它們也有可能到達(dá)的。包交換技術(shù)比線..
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The Air Management Information System (AMIS) is a programme developed by WHO under the umbrella of the Healthy Cities Programme. The objective of AMIS is to transfer information on air quality management (air quality management instruments used in cities, indoor and ambient air pollutant concentr..
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I'm going to assume that, like most Java programmers, you know what JavaServer Pages (JSP) and Extensible Markup Language (XML) are, but you may be a little unclear on how you can use them. JSP use is pretty easy to defend. It allows you to design a Website built from files that look and act a lo..
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Summary: The Windows XP RTC Client API enables developers to add rich, real-time communications into applications. This article provides an overview of the RTC technologies and the components required to implement them in applications. (7 printed pages)IntroductionToday we have many ways to commu..
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This document is an analysis provided by the authors and carries no endorsement by the Consortium.As we begin the XML Schema design [XMLSchema] and examine the RDF Schema design [RDFSchema], this document acknowledges the input we have received on how they fit together and how they should fit tog..
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As a veteran Visual Basic developer, you have undoubtedly invested a lot of time and effort in learning the intricacies of Visual Basic. At first glance, it may appear to you that Visual Basic .NET is so radically different from what you know that you will have to learn it all over again. In real..
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VB是Microsoft公司開發(fā)的一種面向?qū)ο蟮木幊陶Z(yǔ)言。雖然VB不是數(shù)據(jù)庫(kù)管理系統(tǒng)軟件,但由于他提供了功能強(qiáng)大的數(shù)據(jù)庫(kù)訪問(wèn)支持,使用他可以快速開發(fā)出數(shù)據(jù)庫(kù)應(yīng)用系統(tǒng)。由于他還具有簡(jiǎn)單易學(xué)、可視化編程等優(yōu)點(diǎn),得到了許多數(shù)據(jù)庫(kù)開發(fā)者的青睞。 開發(fā)數(shù)據(jù)庫(kù)應(yīng)用系統(tǒng)必須遵循特定的數(shù)據(jù)庫(kù)訪問(wèn)接口,從而建立數(shù)據(jù)庫(kù)連接,打..
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This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. D..
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A Parameter object represents a parameter or argument associated with a Command object based on a parameterized query or stored procedure. Remarks Many providers support parameterized commands. These are commands where the desired action is defined once, but variables (or parameters) are used to ..