Maybe antimatter -- made up of "X" particles -- accounts for a substantial fraction of the mysterious dark matter.

也许由“X"粒子构成的反物质其本质就是暗物质。

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The researchers analysed the sizes and structures of ash particles using a variety of techniques, such as atomic force microscopy, scanning electron microscopy and X-ray diffraction.

研究人员使用不同的技术研究了火山灰颗粒的尺寸和结构，例如原子力显微镜、电子扫描显微镜和X射线衍射。

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Meanwhile, the newly real particles decay, giving off (among other things) light, X-rays and gamma rays.

同时新生的真实粒子衰减，(在其他事物之中)发出光、X射线和伽马射线。

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Some of their work involved X-rays produced by particle accelerators, devices that bring atomic particles into high energies.

VOA: special.2009.12.08

Physicists use super-powerful magnets to speed particles and control radiation like X-rays.

VOA: special.2010.10.08

Since every isotope that spews gamma or X rays or charged particles does so in a unique way--an atomic fingerprint, of sorts--the color and intensity of the flash tells the detector which isotope is present and in what quantity.

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Meanwhile, the newly real particles decay, giving off (among other things) light, X-rays and gamma rays.

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As the particles turn around the circle, they lose energy in the form of exceptionally intense X-rays.

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