轮辐式预应力索桁结构是一种新型空间结构。

Spokewise prestressed cable-truss structure is a new type of spatial structure.

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船首斜桅的顶视图和斜桁帆桁滑轮，方便装配帆和索具。

Spritsail Yard top view of the bowsprit and spritsail yard blocks, almost ready to be rigged.

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艏斜桁撑杆，艏斜桁撑杆支索一种直立索具，用以加固船首斜桁和船斜帆桁，以抵御船头支索力量。

Any of several parts of standing rigging strengthening the bowsprit and jib boom against the force of the head stays.

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