Right click the KML link and copy it to your clipboard (don't download it).
GEB reader Thomas has spent some time building an impressive collection of KML data for the race.
The KML document can specify geographic data including addresses, 3d coordinates on the Earth, and custom textual and visual data to be overlaid on maps or 3d models of the Earth.
这里描述的KML仅为美国就使用了数以千计的多边形顶点，因此如果要在全球呈现或超越国家级的精确度，则可能需要速度更快的处理器。
The KML file has been updated , so you can see the location of all of the fresh imagery.
The KML described herein USES tens of thousands of polygon vertices for the United States alone, so faster processors may be required for global rendering or precision beyond the state level.
参阅参考资料 获得有关KML和完整KML文档的初学者教程的链接。
一个基本的KML文件包含一个document节，内含一个名称和描述。
A basic KML file consists of a Document section that contains a name and description.
KML文档可以确定地址、地球上的3d坐标，以及地图上已覆盖的自定义文本和可视数据，或地球上的3d模型等地理信息。
鼠标右击KML链接，将它拷贝至剪贴板（不要下载）。
钩吻读者托马斯花了一些时间建立一个为比赛的KML数据令人印象十分深刻。
