国家边界（state boundary)是确定国家领土范围的界限、划分一国领土与他国领土、一国领土与公海或专属经济区及一国领空与外层空间的界限。
因特网已经跨越了国家边界和地理限制。
The Internet transcends national boundaries and geographical barriers.
类似地，州和国家边界可以用多边形表示。
Similarly, state and county boundaries can be represented with polygons.
他们的支持网络已遍及全球，并且不受国家边界的约束。
Their support networks have global reach and are not contained by national borders.
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