A series of flat roofs provides an upper terrace and platforms for the solar PV panel system.

一系列平屋顶为太阳能光伏板系统提供了上层平台。

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The user can find out whether the operation is correct through the PV wireless control display panel directly.

使用者可以直观的通过PV无线控制显示板了解自己的操作是否正确。

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LED light-bulbs (patent number:)5, DC 12 V and 24 V LED flat light-emitting lamp panel solar PV system is the preferred source.

LED调光灯泡（专利号：）5，直流12伏和24伏的LED平面发光灯盘是太阳能光伏发电系统的首选光源。

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Right now roughly 8 dollars a watt for a home installation and only half of that is the PV panel costs.

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In an interview last week, though, Lewis Hay, chief executive of NextEra Energy, the biggest solar operator in the U.S., said he has higher hopes for PV because panel prices are dropping so fast.

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