The first terrestrial solar cells were used for off-grid applications in remote locations where placing conventional power lines was not possible or economical.
第一批面市的太阳能电池在偏远的“非电网”动力系统中派上了用途。 这些地区因地理或经济原因无法接通常用电力网。
Pls turn off the power, not only turn off the lights by the remote controller.
关灯请关闭电源开关，而不是仅使用遥控器将灯关闭。
Pls turn off the power, not only turn off the lights by the remote controller.
关灯请关闭电源开关，而不是仅使用遥控器将灯关闭。
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