Animals adapt to changing conditions , which might mean a shift in population patterns to areas where pack ice is morerobust year - round.

动物会适应变化的条件，这意味着它们的数量会转移到更加结实的冰盖上去。

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As you shape the crown, continue to shift the marker 1 st to the left at the end of each round. Switch to double-point needles when necessary.

当你调整这顶帽子的尺寸是，继续转移第一部分在每一圈结束的左边，必要时可以换到第二根针上。

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That might not seem surprising in this age of electric lights and round-the-clock activities, but co-author David Samson says this shift began long before we developed artificial lighting.

在这个有电灯和通宵工作的时代这也许并不令人惊讶。 但是这份报告的共同作者大卫•萨姆森说，睡眠的这种变化早在我们发明人工照明之前就开始了。

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The major shift Microsoft is pushing with this round of its widely used office tools is the ability to use them via cloud computing.

CNN: Microsoft's Office 365 available for public testing

Previewing ideas he will set out in full with a speech on Tuesday to the independent Resolution Foundation - whose work is devoted to diagnosing the problems affecting low to middle income earners - Mr Boles proposes a philosophical shift that should guide the next round of spending cuts due for 2013 or 2014.

BBC: UK Politics

The company said its new round-the clock service was to "support shift workers and the night-time economy".

BBC: New 24-hour bus service for Bristol