It needs less power because the data travel only a small distance to another node.

因为数据传送到另一个节点只需很短的距离，该网络需要的能量就更少。

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During remoulding the railway and the highway, there are many difficult with small distance construction.

铁路增建第二线、公路拓宽等工程的改造施工，近距离增建隧道是困难的。

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But even that small distance can make the moon appear up to 14 percent larger and 30 percent brighter than a normal full moon.

但是即使是那么点距离也能够使月亮比平常看起来大百分之14，亮百分之30。

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The A4WP's solution is a "non-radiative magnetic resonance-based wireless power transfer ecosystem" -- in short, it allows your phone, tablet or other A4WP-certified gadget (such as light bulbs, as demonstrated above) to charge from a small distance.

ENGADGET: Hands-on with Alliance for Wireless Power's charging pad prototypes

The State of Liberty looks small in the distance.

FORBES: Keep Your Weight Down

To see something so small at such a distance is a truly amazing feat.

ECONOMIST: Pulsars: In a wink | The