A slide lever on the bridge of the eyeglasses pushes the fluid forward or backward to alter the shape of that membrane, changing the focal distance depending on what the user is doing.

在眼镜横梁上的滑动控制杆推动流体向前或向后，以改变那层薄膜的形状，从而根据用户当前的动作来调整焦距。

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That's actually optional; the bridge doesn't need to have its own IP address, since it will transparently forward packets from one interface to the other.

这实际上是可选的；网桥并不需要有自己的IP地址，因为它将透明地把数据包从一个接口转发到另一个接口。

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According to the detection and evaluation results of reinforcement engineering of gateway bridge in Dongwan city, this paper puts forward pertinence reinforcement design and measures.

该文通过东莞市峡口大桥的加固工程，针对该桥检测评估结果提出了有针对性的加固设计方案及措施。

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It unveiled for a sinister, fluttering moment a ragged mass of clouds hanging low, the lurch of the long outlines of the ship, the black figures of men caught on the bridge, heads forward, as if petrified in the act of butting.

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Plans have been put forward to replace the floating swing bridge with an automated moving pontoon.

BBC: New Broads river crossing planned

The bid to have the bridge recognised was put forward by the UK government following a joint project with the Scottish Government, partnering with Network Rail, Transport Scotland and Historic Scotland.

UNESCO: UK National Commission for UNESCO - The Forth Bridge becomes the UK��s 29th UNESCO World Heritage Site