The food industry was given a green light to extend the use of these chemicals.
食品业获准扩大这些化学品的应用范围。
That's because, as well as neutrinos, it can detect the light given off by luminous organisms and bacteria.
这是因为,在监测中微子的同时,它还能够监测到发光生物体和细菌发出的光亮。
The telltales are specific "lines" in the spectrum of infra-red light from the plume. These correspond to the frequencies of light given off when water molecules are energetically excited.
表明这一迹象的是撞击掀起的尘土中显示的红外线光谱中的一些谱线,其频率与水分子能量激发时所发出光线的频率相应。
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