无线电波广泛存在于自然界中，从声波、光波到空间中的宇宙射线。
Radio waves exist in nature, from sound and light to cosmic rays in space.
居里夫人坚信自然界存在着能发出射线的物质。
Madam Curie insisted (that) there was something in nature that gave out radiation.
居里夫人坚信自然界存在着能发出射线的物质。
Madam Curie insisted that there was something in nature that gave off radiation.
用X射线衍射确定了相组成与相界。
The phase composition and phase boundaries were determined by X-ray diffraction.
用x射线形貌术确定了直型反相畴界的平移矢量；
The translation vector of straight shape APB's is determined with X-ray topography.
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.
居里夫人坚信自然界存在着能发出射线的某种物质。
Madame Curie insisted that there was a certain matter that gave off rays in the nature.
居里夫人坚信自然界存在着能发出射线的某种物质。
Madame Curie insisted that there was a certain matter that gave off rays in the nature.
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