laser-grooved buried-contact solar cells 激光刻槽埋栅太阳电池
Laser cells, they say solemnly, could have important USES in medicine.
科学家们正式宣布:生物激光在医学上可能有重要用途。
The laser at photovoltaic cells mounted on the pelican's underside, charged the chopper's battery, keeping it aloft for 12 hours and 27 minutes.
激光瞄准安装在鹈鹕下面的光伏电池,给直升机的电池充电,使它在空中飞行了12小时27分钟。
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