The novel low-energy facing sun automatic tracking device comprises a controller, two shafts driving device and a solar energy tracking support frame component.

它是由控制器、两轴 驱动装置和太阳能跟踪支架组件组成。

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Shield material with some certain composition can absorb a large part of low energy photon of X-ray and reduce the radiation effect on electronic component.

采用一定组分的材料对X射线进行辐射屏蔽，可以吸收大部分的低能光子，减少X射线对电子系统的辐射损伤。

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In order to make wind energy cost-effective, one has to keep initial component costs as low as possible.

FORBES: Offshore Wind: Enormous Potential, Huge Challenges