The scientists tested this material in a variety of conditions and found it could be rapidly and repeatedly charged even if the day was cloudy, overcast or rainy.
科学家在不同的条件下对这种材料进行了测试，发现即使是在阴天、多云天气或是雨天，它也能够迅速、重复地补充能量。
Cloudy in the morning, overcast in the afternoon.
上午多云，下午阴天。
Among clear air, cloudy sky and overcast sky, the maximum of reflective ratio within visible and near infrared tunnels appears in overcast sky.
碧空、昙天、阴天中，可见光与近红外通道的反射率，均是以阴天为最大；
Among clear air, cloudy sky and overcast sky, the maximum of reflective ratio within visible and near infrared tunnels appears in overcast sky.
碧空、昙天、阴天中，可见光与近红外通道的反射率，均是以阴天为最大；
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