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。

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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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In blasting project, the workload of drilling-and-charging must be reduced and the flying rocks controlled but a very complex environment, to avoid the damage of the piers by falling arch beams.

本次爆破不仅环境复杂，而且要减少钻爆工作量、控制飞石，防止曲拱梁塌落时对桥墩造成损伤。

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Snapping at Boeing's heels is its arch rival Airbus, which is expected to start test flying its A350 XWB later this year.

CNN: Can the 'game-changer' still live up to its name?