汇聚边界（convergent boundary）又称汇聚边缘（convergent margin）、聚合边界、破坏性板块边缘（destructive margin），是两个相互汇聚和消亡板块间的边界，俯冲带和海沟是它最典型的代表。
这种特征可能不仅和海洋与大陆板块汇聚边界的岛弧海沟上的基本应力状态有关，而且与自转速率不均匀产生的附加应力状态有关。
These correlations depend not only on the state of the basic stress field in the island arc-trench but also on the additional stress field caused by the variation of rotation velocity of the earth.
门户以跨组织的新边界的方式将信息、应用程序和人员汇聚在一起。
Portals bring together information, applications, and people in ways that cross new boundaries within organizations.
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