The perpendicular distance from the base of a geometric figure to the opposite vertex, parallel side, or parallel surface.

平行面（底面）且侧面都是平行四边形的多面体。

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To opposite vertex in gate support and use its vertex force, the method adjusts and reduces the inter force of joint pier to consolidate it.

该方法将缝闸墩在闸门支座处对顶，利用水压力产生的对顶力，减小和调整地震期缝闸墩内力，达到加固缝闸墩的目的。

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The algorithm use a binary digit to divide the vertex set of a non-direction graph, and employ the incident sets of the vertices in the subgraph to produce opposite cut sets.

该算法利用二进制数分割无向图的顶点集，通过对子图各顶点的关联集的运算产生相应的割集。

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