[心平氣和讀經典]The TCP/IP Guide(005)

The TCP/IP Guide
[Page 47, 48, 49]app

I created The TCP/IP Guide to provide you with an unparalleled breadth and depth of infor mation on TCP/IP. This meant including a lot of content in this Guide -- it has over 600 sections, subsections and individual topics, and is over 1,600 pages long. However, I recognized as I was writing this tome that the real goal is not just to provide a lot of detailed information, but also to present it in such a way that it can be easily understood by you, the reader. This requires more than just writing large amounts of text and putting it all into a large file.
我所撰寫的TCP/IP指南爲您提供的TCP/IP信息,在廣度和深度上可謂無與倫比。這意味着本指南包含了超級多的內容——包含600多個章節、小節和獨立的主題,長度超過了1600頁。然而,當我在寫這本書時,我認識到真正的寫做目標不可是給讀者提供大量的詳細信息,並且是以讀者能夠很容易理解的方式去呈現它。這須要編寫大量的文本並將其所有合併到一個大文件中。

For this reason, I have incorporated a number of special features into this Guide to help make it easier for you to "digest". :-) These include tools that will help you navigate through the information, others that let you quickly jump to related topics, and graphical elements that explain difficult topics or simply highlight important text elements. Most of these features are also designed to exploit the many advantages of electronic documents, such as hyperlinking and the ability to embed full-color graphics.
基於這一緣由,我在指南中加入了一些特殊的功能以幫助讀者更容易地"消化"閱讀內容。:-) 這些工具能夠幫助讀者瀏覽信息,其餘工具能夠讓讀者快速跳轉到相關主題,以及解釋難懂的主題的圖形元素,或僅僅是重要文本元素的高亮顯示。與此同時,這些特性的大多數旨在利用電子文件的諸多優勢,例如超級連接和內嵌的彩色圖形的能力。

Special Features | 特殊功能

Here is a description of some of these special features, in no particular order:
下面是對這些特殊功能的描述,沒有特定的順序:electron

  • Hierarchical Table of Contents: The TCP/IP Guide uses a hierarchical structure, which I described in detail in the previous topic discussing the Guide's organization. A complete Table of Contents has of course been included, which reflects this hierarchical structure. It is fully hyperlinked, so you can quickly jump to any topic of interest just by clicking your mouse on the topic's title.
    目錄層次結構:TCP/IP指南使用了層次結構,我在前面的主題中詳細地討論過了。固然,本指南包含了完整的目錄,充分反映了層次結構。這種結構是徹底超級連接的,讀者能夠經過點擊鼠標就能很快地跳轉到感興趣的話題。
    For your convenience, there is also a link to the Table of Contents in the footer of each page. Just click on the word "Contents" that appears after the name and version number of the Guide.
    爲方便起見,在每一頁的頁腳,還有一個連接指向目錄中。只需點擊指南的名稱和版本號後出現的「內容」一詞便可。
  • Hierarchical Bookmark List: The Table of Contents mentioned just above is also implemented as a set of hierarchical bookmarks, which should automatically appear in a window pane on the left side of your screen when you open the Guide in Adobe Acrobat. These bookmarks are convenient, since they remain open while you read the Guide. You can use them to check your current location in the document, and to jump to any section or topic. See the next topic for details on how to find these bookmarks if they do not appear automatically when you open the Guide.
    書籤列表層次結構:
  • Figures: The TCP/IP Guide contains over 300 full-color illustrations, which support the text descriptions of TCP/IP technologies and protocols, and help make sense of difficult concepts. Each figure is cross-referenced with a hyperlink from an appropriate place in the text. Most include brief descriptions that allow you to understand what the figure means without even having to read the full text of the topic where the figure is located.
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  • Tables: The Guide has over 300 tables, which present large amounts of information in an organized and readable manner, or highlight examples for your convenience. These tables use alternating white and colored rows for enhanced readability. Like the figures, these tables are cross-referenced from the text using hyperlinks.
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  • Lists of Figures and Tables: I have provided a List of Figures and a List of Tables to allow you to easily find any figure or table using either its number or title. Like the Table of Contents, all entries on these lists are hyperlinked for your convenience.
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  • Hyperlinks: In addition to the hyperlinks in the Table of Contents and lists mentioned above and the cross-references to figures and tables, there are over 3,000 additional hyperlinks within the actual text of the Guide. These links are shown in blue text; when you see one, clicking it will take you to the topic discussing whatever subject matter was highlighted by the link. This lets you quickly find information relevant to understanding the topic you are currently exploring.
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    Note that all hyperlinks that appear in the main part of this Guide are internal links that go to other places within the Guide; external links are shown separately (see below).
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  • Highlighting: I use a consistent highlighting mechanism to make the text easier to read. When new terms are introduced they are shown in italics; I also italicize the names of fields, messages, options and other protocol constructs to set them apart from regular text. Emphasized words are shown in bold italics. Document titles are italicized and underlined. There are also a few places where colored text is used for emphasis.
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  • Full Text Search: The TCP/IP Guide does not have a conventional index of topics like most books because it has something better -- the ability to search for any string and have the PDF file viewer software automatically take you to each place where it occurs in the document. This is described in detail in the next topic.
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Inserts and Icons | 插入和圖標
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Most of the text discussions in The TCP/IP Guide are shown as free-form text as you would expect in any document. However, there are certain situations in which I want to provide you with a piece of information that is either not directly related to the subject of the main text, or is deserving of your special attention. For these purposes, the Guide uses a set of special inserts, each of which is clearly marked by a particular icon, and called out from the text using a pair of horizontal bars. There are five different inserts used in the Guide, which I have shown and described below.
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Note: This insert used when I need to clarify or explain something that I feel you need to know, but which is either not directly related to the topic under discussion, or is sufficiently "tangential" that it needs to be separated from the main text to avoid disrupting its flow. Examples include terminology explanations, "sidebar" historical discussions, anecdotes, and clarifications relating to how I am describing particular concepts.
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Key Concept: I tried very hard in crafting this Guide to provide a variety of ways to present information, to better suit the learning styles of different readers. To that end, I have created hundreds of these inserts, which summarize and highlight the most important concepts and essential pieces of knowledge in The TCP/IP Guide. They can be very useful for quickly distilling the essence of a topic without reading an entire explanation, or for refreshing your memory of a topic you have already read. Obviously, however, they contain few details, so you should not assume that you fully understand a topic or concept just by reading this sort of summary.
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Background Information: When you see this insert near the front of a section or a particular description, it indicates that I am recommending that you read another part of the Guide before proceeding with that section. While I have attempted to make each section able to stand alone to a certain degree, some just make more sense if read in a particular order (usually the order in which the sections are listed within their parent section).
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Related Information: This insert mentions another section or topic within The TCP/IP Guide that contains information related to the section where the insert is located, but which is not background material. It may help you understand the content you are reading, or put it into better context.
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On The Web: This insert is used when I need to link to a relevant document or resource on the World Wide Web. The insert contains a brief description of the linked item and its URL, highlighted in blue italics.
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Be sure to also read the next topic, which provides some very useful advice on how best to use the Adobe Acrobat (PDF) Reader software. This will help you get the most of the features I have just described.
強烈建議讀一下下一個話題,該話題針對如何最好地使用Adobe Acrobat(PDF)閱讀軟件提供了不少有價值的建議,它可以幫助你使用到剛剛描述到的絕大多數功能特性。工具

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