宇宙射线撞击地球，携带着大量的高能粒子；其能量是现存最大加速器所产生能量的4千万倍以上。

Cosmic rays bombard the Earth from space and include particles of astounding energy, 40m times more powerful than anything that physicists can create in the world's biggest accelerators.

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现在仍然没有任何粒子加速器能够达到检测弦理论所需的高能。

And no particle accelerator yet exists that can attain the high energies needed to detect strings.

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现在仍然没有任何粒子加速器能够达到检测弦理论所需的高能。

And no particle accelerator yet exists that can attain the high energies needed to detect strings.

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