In 1897 they declared that they believed there was something in nature which gave out radiation.
1897年他们宣布他们相信在自然界存在着能发出辐射的某种东西。
In 1898 they declared that they believed there was something in nature which gave out radiation.
1898年他们宣布，他们相信自然界存在着某种能发出射线的东西。
In 1898 they declared that they believed there was something in nature which gave out radiation.
1898年他们宣布，他们相信自然界存在着某种能发出射线的东西。
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