The objective is to compare the efficienty of bladder stone by extracorporeal shockwave lithotripsy (ESWL) and energetically lithotrite.

目的是比较体外震波碎石术（ESWL）与大力钳碎石术治疗膀胱结石的疗效。

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"To my great sorrow", Mr Geva says, its shockwave ranges cannot be revealed.

“非常遗憾，”格瓦说，不能透露它的冲击波范围。

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The parabola would control air flow in a way that would lessen the shockwave, NASA says.

NASA表示，这一抛物线设计可以通过控制气流来减少冲击波的产生。

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"The interesting thing is that the protons don't get accelerated in the supernova explosion itself, but they get accelerated in what we call the remnant - the shockwave that is created in the explosion and then moves away through the interstellar medium, " said Dr Funk.

BBC: Cosmic rays: Fermi telescope settles mystery of origin