After repeated calculations, relying on photovoltaic power generation devices, the building itself without the help of external power supply.
经过反复测算，依靠光伏发电装置，建筑本身正常运转无需借助于外部供电。
Comprehensive economic and technical analysis should be made in determining whether a photovoltaic power generation system is appropriate as an emergency power supply.
光伏发电系统是否宜作为应急电源应作经济技术方面的综合分析。
Therefore, take X-ray fluorescence analyzer as example, a useful joint-power-supply consists of solar photovoltaic and lithium-ion cells is proposed.
为此，以X荧光分析仪为例，提出了一种实用的由太阳能光伏电池和锂电池联合供电的便携式核测量仪器电源设计方案。
Therefore, take X-ray fluorescence analyzer as example, a useful joint-power-supply consists of solar photovoltaic and lithium-ion cells is proposed.
为此，以X荧光分析仪为例，提出了一种实用的由太阳能光伏电池和锂电池联合供电的便携式核测量仪器电源设计方案。
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