Give me some background: What's the history here and how did we get to 4g?
背景知识：无线通信的历史以及我们如何用上4g。
Now that you have some background on signals, let's look at how to use them.
现在您已经了解了有关信号的背景知识，接下来让我们看一下如何使用信号。
Have some background information available to buttress your case, including links and citations.
有一些可用的背景信息支持你的案例，包括链接和引用。
I'll start with some background on Prop2XLF, and the problems encountered during its development.
首先介绍开发prop 2xlf的背景和开发过程中遇到的问题。
Though the purpose of the series is to educate the reader about the use of XForms, some background is expected.
尽管本系列的目的是向读者讲解Xforms的用法，但读者应至少了解一些背景知识。
We will start with some background on how Domino Web Access pages are generated and the challenges of customizing them.
开始，我们将讲述一些关于如何生成DominoWebAccess页面以及定制这些页面所面临的困难的背景知识。
If you are new to RSS, you can get some background by reading the RSS-related articles referenced in the Resources section.
如果对RSS还不是很熟悉，可用阅读本文参考资料部分给出的与rss相关的文章。
Before examining how to use the security features of RFIDIC, this article reviews some background information on RFID data management.
在研究如何使用RFIDIC的安全特性之前，本文先回顾rfid数据管理的一些背景信息。
If the ideas are new to you, use the Internet or books to get some background; the problem should contain clues as to what to look-up.
题目本身可能会包含一些线索，如果这些对你来说比较陌生，那么利用网络或者书本去获得相关的背景知识。
Though the purpose of the series is to educate the reader about the use of XForms, some background knowledge is expected of the reader.
尽管本系列的目的是向读者讲解Xforms的用法，但读者应至少了解一些背景知识。
You should ensure that the briefing paper contains some background information but not so much that it interrupts the main flow of the text.
您应该确保简报包含了一些背景信息，但是不要太多，以至于打断了主要内容的行文。
Get some background about parsing extensions and, specifically, what parsing methods are best suited to what types of XML documents and why.
获得有关解析扩展，尤其是哪种解析方法最适合哪种类型的XML文档以及为什么如此的背景知识。
To give you some background, Amazon Web services catalog comprises of a few core building block services for storage, database, computing and queuing.
先说点背景知识，Amazon网络服务(Amazon Web Service，简称AWS)由多个核心服务组成，包括储存、数据库、计算和队列。
Before considering each of the three causes above in more detail, let's first look at some background to help you better understand why this happens at all.
在详细讨论上述三个原因之前，我们首先了解一些背景知识，以便更好地理解这种错误发生的原因。
According to Cnet sources, it will provide a thumbnail with the picture of the artist, some background information and listings of the music that can be previewed.
根据CNet的消息，它会提供歌手照片的缩略图、部分背景信息以及可供试听的音乐列表。
Now that you have some background in WebSphere Portal's content model and have seen how to use the SPI to work with it, let's look at how to create dynamic user interfaces.
现在，您已具备了WebSpherePortal内容模型的一些背景知识，并了解了如何将SPI与该模型一起使用，接下来让我们看一看如何创建动态用户界面。
Free technical support is often available in the form of mailing list or newsgroup discussions; nevertheless some background research, knowledge or experience is often required.
免费的技术支持也可以以邮件列表或新闻讨论组的形式得到。然而，某种形式的背景研究、知识或经验常常是需要的。
This is actually a pretty big topic, and I think it is worth while giving you some background first, so I’ll split the post in twain –Part I is theoretical, Part II is practical.
这个话题很大，我认为应该先给你们讲讲一些背景知识，所以我把这个帖子分成了两个部分--第一部分面向理论，第二部分面向实用。
This is actually a pretty big topic, and I think it is worth while giving you some background first, so I’ll split the post in twain - Part I is theoretical, Part II is practical.
这个话题很大，我认为应该先给你们讲讲一些背景知识，所以我把这个帖子分成了两个部分--第一部分面向理论，第二部分面向实用。
It will offer some background about parsing techniques, what method is best suited to what types of XML documents, and, if you have a choice, what your criteria for choosing should be.
还介绍了关于解析技术的一些背景知识，何种方法最适合于何种类型的XML文档，如果要作出选择，则应依据何种标准。
This article has provided some background on the dimensions and attributes of components and the component models in which they live, paying specific attention to the idea of granularity.
本文提供了一些关于组件及其所属的组件模型的各个方面和属性的背景信息，特别对粒度进行了讨论。
The remainder of this article provides some background on cloud services types and shows you how a threshold policy for a cloud type can be different from the policy for another cloud type.
本文余下部分将介绍一些云服务类型相关背景知识，并展示一种云类型的阈值策略与另一种云类型的阈值策略如何不同。
Before reviewing some of the techniques you can use to better manage storage in your P8 environment, it may be helpful to go over some background on how the P8 Content Engine stores documents.
在研究可用于更好地管理P8环境中的存储的技巧之前，先了解一些关于P8ContentEngine如何存储文档的背景知识可能有所帮助。
For now, here are the 10 best stores for customer service, listed alphabetically rather than by rank, as well as some background information about what makes their customer service better than most.
现在，我们按字母顺序列举出了10家客户服务最好的商店及其上榜理由，排名不分先后。
Some background on HTTP authentication techniques can be found in RFC-2617.
有关HTTP认证技术的背景资料可参看 RFC-2617。
Some background: Wisconsin is indeed facing a budget crunch, although its difficulties are less severe than those facing many other states.
提供一些背景：威斯康星州的确正在面临预算紧缩，但是其困难程度并没有许多其它州那么严重。
Some background: Most of the world's major currencies "float" against one another. That is, their relative values move up or down depending on market forces.
背景资料：大多数世界主要货币相互“浮动”，也就是说，这些货币的相对价值根据市场力量上下浮动。
Some background: Most of the world's major currencies "float" against one another. That is, their relative values move up or down depending on market forces.
背景资料：大多数世界主要货币相互“浮动”，也就是说，这些货币的相对价值根据市场力量上下浮动。
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