The only significant revision needed was the addition of a new first delimited document section to indicate current element nesting 唯一需要的重大修改是增加新的（第一个）定界文档节以指示当前的元素嵌套情况。
Multivariable statistical process control ( mspc ) is a modeling method only depending on the process past data for this purpose 多变量统计建模方法是一种不依赖于过程机理的建模方法，其唯一需要的信息是过去成功生产过程数据的集合。
The only information required to activate is a software code provided by the software house . no personally identifiable information is required to activate 激活过程唯一需要的信息就是直接使用由软件商提供的一个软件代码，不需要亲自确认信息。
Detailed downloading instructions are available from the second web site above . the only software needed is acrobat reader . if acrobat reader is not already installed on your computer , you may follow the instructions and obtain it , free of charge , from these sites 您可以直接在网站上阅读，也能以pdf文件的格式下载到个人电脑里，再列印出来在第二个网址中有下载的详细说明，唯一需要的软体是acrobat reader ，这个免费软体可以从上述的网址得知如何取得。
