Since 1918, the clocks in Creston, a town in eastern British Columbia, ran an hour ahead of nearby communities for half the year. For the other six months, they slipped back into sync. Not because they town changed them but because its neighbours changed back and forth from daylight saving time.
国产超大型盾构设备"奋楫号"在江苏南通正式交付
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宇航员在创下人类最远太空航行纪录后，与美国总统进行了天地通话。
智能穿戴设备搭配AI诊断 年轻群体掀起科技养生热潮
Former administration declares Iranian threat neutralized