The kmlHeader subroutine prints out the main header markup for the KML document.
kmlHeader 子例程将输出KML文档的主要头标记。
Labels on individual pages within the application process must be related to the main header as well as its elements.
无论在流程中的哪一页，文本标签都必须要和该页的标题和主要元素相关。
I have seen more than 90% of web forms that just provide the main header and then continue with about 20 questions on the same page.
我见过的90%的表单只是提供了一个主要的表单标题然后下面跟了20个问题。
Relative but with no base URI - There is no base URL specified in the Content-Location of the main header but using the messages base URL and all the relative URLs are referenced using this base URL.
不带基础URI的相对 URI ―主报头的Content-Location 中没指定基础 URI，但使用消息的基础URL，并且对所有的相对URL都是使用这个基础 URL进行引用。
Relative but with no base URI - There is no base URL specified in the Content-Location of the main header but using the messages base URL and all the relative URLs are referenced using this base URL.
不带基础URI的相对 URI ―主报头的Content-Location 中没指定基础 URI，但使用消息的基础URL，并且对所有的相对URL都是使用这个基础 URL进行引用。
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