Unlike the original form used in early pendulum clocks, the anchor escapement permitted the pendulum to travel in a very small arc.

与在早期摆钟中使用的原始形式不同，锚擒纵装置允许钟摆沿非常小的弧线运动。

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The DXF and DWG file formats also support arcs and circles, which you can approximate in your output formats by creating multiple small line segments approximating the circle or arc.

DXF和DWG文件格式还支持弧和圆，您可以在输出格式中通过创建多个小线段来近似模拟圆或弧。

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Its furnacesare not of the roaring blast variety; they are small, purring vacuum-arc furnaces that use electrical currentto re-melt steel.

他们的炼炉不是那种爆发出阵阵轰鸣声的炼炉，相反，它们是使用小型的、低噪音的、利用电流来重新融化钢铁的真空电弧熔铸炉。

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In an interview to be broadcast early next week, Mr Grimsson told the Newsnight programme's Joe Lynam that his country was surrounded by an arc of successful, small nations in the North Sea, who were all doing relatively well.

BBC: Olafur Grimsson

Now, small businesses like ARC Energy have created roughly 65 percent of all new jobs over the past decade and a half.

WHITEHOUSE: President Obama Holds a Town Hall in New Hampshire