The error of the weakest point for the linear chain of triangles is less than for the simple chain.

线形锁和单三角锁相比较，它的点位误差小于单三角锁的点位误差。

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The Linear chain or triangles is a better formation of the plane contro1 of the triangulation.

线形锁是一种良好的平面控制测量加密网形式。

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