The key point of "desert production" development theory is to raise light energy utilization ratio and to improve primary production of vegetation.

“沙产业”理论的核心是提高光能利用率，强化植物性的初级生产力。

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LED has been widely used as a kind of light source in modern optoelectronic devices. The light energy utilization efficiency and optical system form are closely related.

LED作为照明光源在现代光电仪器中得到广泛应用，光能利用效率与光学系统形式密切相关。

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The titanate nanotubes have been attracted widely attention due to their strong absorption in the visible light region and potential application on the utilization of the solar energy.

由于钛酸盐纳米管具有强的可见光吸收因而在太阳能利用方面将有潜在的应用前景而备受人们广泛的关注。

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