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汉语拼音：kuà dù

1.房屋、桥梁等建筑物中，梁、屋架、拱券两端的支柱、桥墩或墙等承重结构之间的距离。

2.泛指距离：时间～大。

1. 跨越空间的结构，如梁、拱、桁架、桥墩等相邻两支点之间的距离。引申为中间距离跨越的幅度。

   韩北屏 《非洲夜会·撒哈拉的落日》：“它像一道跨度比较平缓的黑色的虹，显出了我们地球的球形凸面。”《新华文摘》1981年第11期：“在同一部影片里，语言表现力能冲破年龄跨度大、感情跌宕多、音域幅度宽等难关，恐怕还不多见。”

• Assistant US attorney, Marc Litt, had been pressing for 150 years, due to the "scope, duration and nature" of the fraud.

  美国助理司法部长马克·里特，因为该案的“范围、时间跨度和性质”一直在力促150年的刑期。

• The wind-resistant performance of H-shaped hanger has been the important control factor in the design of the Long span arch bridges.

  因此，H型吊杆的风致振动性能已成为控制大跨度中承式拱桥设计的重要因素。

• And you know it takes anywhere from a few months to several years to create a hand-woven Persian carpet.

  同时，你也要知道，要制作出一条波斯地毯的时间跨度至少要几个月，甚至要几年。

• At the beginning of the increment, the increasing rate of the critical collapse distance is much higher than that of any later time.

  当跨度一定时，临界爆距随装药量的增加而增大，其增长速率是先快后慢。

• Knowing about a particular instant or partial time snippet can be useful, but it's also often useful to be able to express spans of time.

  了解特定的时刻或是某个局部时间片段将非常有用，但是如果能够表达一段时间跨度的话，通常也很有用。

• There was no difference in life span between the two runner groups, even though one expended more energy.

  两个奔跑组的生命跨度并没有多少差别，尽管一组消耗更多能量。

• Such a span would demand at least a 50-foot ceiling. Clothed in glass, it would be quite a sight.

  这么大的跨度至少需要50英尺（15米多）高的穹顶，外面再罩上玻璃，它真会成为一个不寻常的景观。

• To improve the wind stability performance of long span suspension bridges is an important subject in the design and construction.

  改善抗风稳定性能是大跨度悬索桥设计和建造中的一个重要课题。

• Take heart from the amazing opportunity you are now finishing, having achieved such a great step forward that you are ready to ascend.

  把心灵投入到美妙的机会之中，你现在正在完成它，拥有如此大跨度的步伐去赢得胜利，你们已经准备好提升。