This reiteration is a huge flying buttress that comes out the tree itself.
这棵侧木像一个巨型飞拱从这棵树里长出来。
Other developments were the pointed arch and vault, and the flying buttress, which allowed construction of more elegant, higher, and apparently lighter structures.
其他新发明主要是尖券和尖拱，以及飞券，他们使得建筑物更加美观，高大，而且结构明显更加轻巧。
The rib vault, flying buttress, and pointed (Gothic) arch were used as solutions to the problem of building a very tall structure while preserving as much natural light as possible.
借着拱顶肋、飞扶垛和尖拱（哥德式），使建造极高结构而尽量保持自然光的问题得以解决；
The rib vault, flying buttress, and pointed (Gothic) arch were used as solutions to the problem of building a very tall structure while preserving as much natural light as possible.
借着拱顶肋、飞扶垛和尖拱（哥德式），使建造极高结构而尽量保持自然光的问题得以解决；
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