他们称他们可以把应用范围扩大到空调中，并且打算建成一批3.5千瓦，等同家用基本型的设备，安置在建筑物四周。

They say they can scale it up for use in air conditioning, and aim to build 3.5-kilowatt devices – equivalent to a basic home model – which could be dotted around buildings.

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幸运的话，他们通过和祖辈交谈，或认真观察四周令人眼花缭乱的建筑物和历史遗迹的纷乱组合，以获得其它版本的历史故事。

If they are lucky, they pick up other narratives by talking to their grandparents, or by looking carefully at the confusing mix of buildings and monuments that surrounds them.

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那幢古老的建筑物四周有一圈高墙。

There is a round of high wall around the old building.

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