In this structure, the natural bridge support bar in the middle of two free pile after a wide span can be achieved.

在这种结构中，天然支架桥在两个自由杆的中间加桩后可达到很宽的跨度。

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IQ could help to bridge the gap and resolve the tremendous uncertainty about how much of what we're seeing is natural capriciousness and how much is the consequence of human activity.

IQ 可以帮助我们缩小这一差距，并解决这种极大的不确定性，即我们所见的现象是自然环境的反复无常还是人类活动的必然后果。

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NASA's LROC spacecraft reveals a natural bridge on the Moon.

美国宇航局的月球轨道探测器(LROC)在月球表面拍到的一座天然桥梁。

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The bridge has always been painted "International Orange" because that color went well with the natural surroundings.

VOA: special.2010.07.23

For an unforgettable experience, take a night walk to the arched cave and waterfall at Natural Bridge under the western ramparts of the Springbrook plateau, which is alight with fairy-like blue-green lights given off by the millions of bioluminescent glow worms that line the cave roof and the steep earth banks along the rainforest path.

BBC: Exploring Queensland��s rainforest hinterland

The more people who point out that natural gas is a bridge fuel to nowhere, the closer we get to a clean energy future.

CNN: Don't let America get 'fracked'

As Mr Obama pointed out, Turkey is a natural bridge between Europe and the Middle East.

ECONOMIST: America, Europe and Turkey