这些程序仍然保留在建立它们的平台上，MDA可以帮助自动构造从一个平台到另一个平台的桥梁。

They can remain on their established platforms; the MDA will help automate construction of Bridges from one platform to another.

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然而，由于各种原因，人类学家对此构造的看法存在很多争议。 我们的祖先直立背部行走，这就如同拱形桥梁从一头倒塌。

Then, for reasons anthropologists debate long into the night, our hominid ancestors stood upright, which was the bodily equivalent of tipping a bridge on end.

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介绍这种桥梁的设计背景、结构构造和结构特点。

In this paper, design background, structural details and features of the bridge are presented.

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