如果没有可用的位置信息，这个脚本就会失败；如果成功，脚本将生成一个HTML文件，浏览器可以读取该文件来呈现一个地图。
This script can fail if no location information is available; but if it succeeds, an HTML file is generated that a browser can read to render the map.
大多数语音浏览器服务通过读取url来访问VXML文件，所以需要开发一个CGI或其他动态web脚本来创建这些信息。
Most voice browser services access the VXML file by reading from a URL, so you need to develop a CGI or other dynamic Web script to create the information.
由于一个We b页类似于一个HTML文件，既包含数据又包含格式化信息，而且后者大于前者，所以只有数据可以向下发送给浏览器。
Because a Web page is like an HTML file which contains both data and formatting information interlaced, the latter being larger than the former, only data can be sent downstream to the browser.
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