chapter02: Translate introduction page

And, also translate the title of the chapter.

chapter02/chapter02.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE chapter PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
   <!ENTITY % general-entities SYSTEM "../general.ent">
@@ -9,7 +9,7 @@
   <?dbhtml dir="chapter02"?>
   <?dbhtml filename="chapter02.html"?>
 
-  <title>Preparing the Host System</title>
+  <title>准备宿主系统</title>
 
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="introduction.xml"/>
   <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="hostreqs.xml"/>

chapter02/introduction.xml

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
   <!ENTITY % general-entities SYSTEM "../general.ent">
@@ -8,11 +8,14 @@
 <sect1 id="space-introduction">
   <?dbhtml filename="introduction.html"?>
 
-  <title>Introduction</title>
+  <title>介绍</title>
 
-  <para>In this chapter, the host tools needed for building LFS
+  <!--para>In this chapter, the host tools needed for building LFS
   are checked and, if necessary, installed.  Then a partition which will 
   host the LFS system is prepared. We will create the partition 
-  itself, create a file system on it, and mount it.</para>
+  itself, create a file system on it, and mount it.</para-->
+  <para>在本章中，我们会检查那些构建 LFS 系统必须的宿主工具，如果必要的话就安装它们。
+	  之后我们会准备一个容纳 LFS 系统的分区。我们将亲自建立这个分区，
+	  以及分区上的文件系统，并挂载该文件系统。</para>
 
 </sect1>