子束随机像差降低了合成光束的远场光斑峰值功率，并引起光束的弥散。
The random aberration of each beam reduces peak intensity of their far-field combination spot, and makes it dispersion.
他指的当然是LHC(大型强子对撞机)。在阿尔卑斯山脚下，LHC成功发射粒子束，进行了第一次试验。
He was, of course, referring to the Large Hadron Collider that just conducted its first successful test, firing a stream of particles under the Alps.
大型强子对撞机在位于日内瓦附近欧洲粒子物理实验室的欧洲核子中心。从周末开始，物理学家们在LHC周长为27公里的圆环内，开始质子束流的调束工作。
Over the weekend, physicists began circulating beams of protons around the 27-kilometre ring of the Large Hadron Collider (LHC) at CERN, Europe's particle-physics laboratory near Geneva, Switzerland.
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