很多人对光电池单元，又叫太阳电池板，并不陌生，在宇宙飞船、屋顶以及计算器上都可以见到它的踪影。
Many people are familiar with so-called photovoltaic cells, or solar panels, found on things like spacecraft, rooftops, and handheld calculators.
很多人对光电池单元，又叫太阳电池板，并不陌生，在宇宙飞船、屋顶以及计算器上都可以见到它的踪影。
Many people are familiar with so-called photovoltaic cells, or solar panels, found on things like spacecraft, rooftops, and handheld calculators.
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