National Electric Power Dispatching & Communication Center. Questions and Answers About Power System relay[M]. Beijing:CEPP. 2000

国家电力调度通信中心。电力系统继电保护实用技术问答[M]。北京：中国电力出版社.2000。

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Olympic officials are keeping the torch there before the start of the 4 p. m. (6:30 ET) relay.

在下午四点（东方时间，即北京时间6：30）火炬传递仪式开始前，奥运官员一直将火炬停放在那里。

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"It means a lot, it's my first relay medal ever and I'm very happy, " Williamson told BBC Sport.

BBC: GB quartet seal stunning bronze

I'm thankful that I never trash-talked the American Men's Freestyle Relay Team before racing them.

NPR: Thanksgiving Is Not Just A Dead Bird

"I'm finding it difficult to deal with the pressure, I'm still trying to find my feet after Beijing, " said Adlington after the 4x200m relay final.

BBC: Spofforth leads British medals haul at Europeans