Sent_en: 2zh The experiment, the largest of its kind in the world, was first switched on with great fanfare in September 2008, but suffered an electrical fault just nine days later.
Sent_yy: 这项实验是世界上同类实验中规模最大的，于2008年9月首次大张旗鼓地开启，但仅在9天后就遭遇电力故障。