在最后一个冰期期间，他们了解到海平面的下降偶尔会产生横跨海峡的陆桥。
They knew that every so often during past ice ages, drops in sea level created a land bridge across the strait.
假设你正在建造一座桥梁，如果工程已经进行到一半，那么客户就决不会说：“天哪，我想这座桥要是建在河流的下一个弯口的话就更加实用了。”
If you are building a bridge that is half completed, the customer is not going to say, "Gee, I think the bridge would be more useful at the next bend in the river rather than over here."
通俗地讲，运用材料力学的弹性拱原理造桥，这种结构就可以将受力点的力分散到桥的每一个横截面上。
Generally speaking, the bridge structure incorporating the flexible arch principle in material mechanics can disperse every point of pressure to the cross-section equally.
通过贵宾桥的通信机制，描述一种将多个不同的传感器网络集成到一个虚拟的传感器网络的方法。
By utilizing the VIP bridge, it describes a new approach which integrates several different sensor networks into one virtual sensor network.
计算机科学中的一个非常重要的组成部分就是图论算法，它们都可以追溯到欧拉和著名的哥尼斯堡七桥问题。
Graph algorithms form a very important part of computer science and have a lineage that goes back at least to Euler and the famous Seven Bridges of konigsberg problem.
在下午，快结束时，他意识到卡斯特桥没有哪个农场主需要农场经理，甚或是一个牧羊人，他决定第二天到另一个集市去碰碰运气。
But when he realized by late afternoon that none of the farmers at Casterbridge wanted a farm manager, or even a shepherd, he decided to try his luck at another fair the next day.
根据后来的了解，得知桥的建设思路是，首先在铁路东侧构建一个钢筋混凝土桥体，然后采用整体推移的方法，将其挪到铁路底下。
According to later information, I know that the construction thoughts is: First, construct a removable bridge made of reinforced concrete, then move it entirely under the railway.
一座临时的步行桥从1941到1968年间供人们使用着，后来被一个新的桥所代替了。
A temporary footbridge served from 1941 to 1968 when a new structure was approved.
一座临时的步行桥从1941到1968年间供人们使用着，后来被一个新的桥所代替了。
A temporary footbridge served from 1941 to 1968 when a new structure was approved.
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