The satellites sit in a very special orbit that allows them to circle the Earth once in 24 hours.

这些卫星位于一个十分特殊的轨道，以便它们能每隔24小时环绕地球一周。

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The work is pretty hard - 24-hours shifts which include 3 hours for sleep and 3 45-minute brakes. One may sleep in a special room with 9 beds.

这个工作非常艰难，24小时换班只有3小时的睡眠时间和3次45分钟的休息，可以在有9张床的特别房间里睡觉。

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In special construction stage, 24 hours continuous work will be executed and three-shift work system to be carried out.

特殊施工阶段实施24小时连续作业，工人工作实行三班制。

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The HART units - made up of seven teams of six - will be on call 24 hours a day at the Ambulance Special Operations Centre (ASOC) to respond to multiple casualties, people trapped in collapsed buildings, flooding or hazardous materials incidents.

BBC: Specialist ambulance HART hub planned for Skypark