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.
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 machining precision can be improved and the dimension scope of machining the polygon prism is enlarged by using the proposed compensation method.
采用这种误差补偿方法可以大大地提高车削多面体的精度，扩大车削多面体的尺寸范围。
In GPS surveying, we usually need to compute closure difference of triangle or polygon, so as to search surveying gross errors and estimate GPS observing precision.
在GPS测量中，往往需要计算三角形、多边形闭合差，以便及时发现观测粗差、衡量GPS观测精度。
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