Breaking the waves: the shark-like Seabreacher X can reach surface speeds of 50mph and has the turning style of a dolphin.

破水而出：形如鲨鱼的Seabreacher X潜艇可以以50英里每小时的时速畅游水面，并且能够做出类似海豚的转体动作。

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Drilling technology has improved, allowing tunnels to be dug without breaking the surface.

在钻孔技术发达的今天，打通地下隧道已经不会伤及地表了。

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In other words, they flipped a switch, which allowed them to change the electrical conductivity of the silicon without making or breaking a single chemical bond within the surface.

或者说，他们扳动了一个开关，改变了硅的电导率，而不需破坏表面上的任何化学键。

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Track conditions deteriorated during the course of qualifying and the surface was breaking up at the newly resurfaced hairpin with officials forced to use brooms to clear the racing line of gritty debris.

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Though that also makes it more flexible (and makes the ability to grind and polish the glass to create a light-capturing parabolic surface without actually breaking the thing all the more impressive), this flexibility can be exploited to keep the reflective surface in shape.

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Despite their scarcity, they can easily be spied at these spots, breaking the surface in gentle arcs in pods of three or four.

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