日本官方宣称已有少量辐射被释放，福岛县数百人正在接受辐射测试。
Japanese officials say minute quantities of radiation have already been released, and hundreds of people in Fukushima Prefecture are being tested for radiation exposure.
研究人员们使用仅仅超出可见光谱红端的近红外辐射测试他们的新“黑材料”。
The researchers tested their new black material with near-infrared radiation, just beyond the red end of the visible spectrum.
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