同时还为美国培养了大批工程师，这些工程师在美国后来几十年的运河和铁路建设中起到了巨大的作用。

In addition, construction of the canal served as a training ground for many of the engineers who built other American canals and railroads in the ensuing decades.

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在居住环境建设中，必须从满足居民的各种需求出发，使环境具备一些基本的特征。

In the construction of housing environments the various requirements of the residents must be the first priority equipping the environments with some basic characteristics.

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近年来，上海市在基础设施建设中投入了占国民生产总值10%和固定资产投资总额40%的资金。

In recent years, the city has pumped some 10 percent of its GNP and 40% percent of its total fixed assets investment into the construction of the city's infrastructure.

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In bridge building we're well advanced in understanding what are the problems with building bridges and how do we overcome them?

在桥梁建设中我们十分清楚地了解,在造桥的过程中会遇到什么问题,以及如何克服这些问题

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There's always construction.

总有很多在建设中，

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And that makes it for me a very exciting time to study this because the problems aren't solved in the way that bridge building is largely a solved problem now.

对于我而言,这是一个非常激动人心的时代,因为一百年前桥梁建设中难以解决的问题,在今天都得到了解决

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