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PHOTOVOLTAIC cells are already a familiar sight on rooftops.
光伏电池早已成为屋顶上一道熟悉的风景线。
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Photovoltaic cells are a product of modern solid-state physics.
光电池是现代固体物理学的产物。
youdao
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Photovoltaic cells are a product of modern solid-state physics.
光电池是现代固体物理学的产物。
youdao