In case of fire, please follow the direction of arrow and take the nearest staircase.

如发生火警，可按箭头指示方向，选择最近的楼梯逃生。

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But one day if the universe in "big collapse" collapse, the direction of arrow may also be reversed.

但有朝一日如果宇宙在“大坍缩”中崩溃，该箭头方向也可能逆转。

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Feed the belt strap in direction of arrow around the roll cage cross member into the adjustable slider.

将安全带按箭头方向绕着防滚翻保护架横梁穿入调节滑块。

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Some people like to use an arrow, and the arrow points in the direction of the more electronegative end.

也可以用箭头，箭头指向,带负电的一极。

麻省理工公开课 - 固态化学导论课程节选

That's what this arrow at the right shows, the direction of the flow of information.

这就是右边这个箭头的含义,即信息流动的方向

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p2 p1 is greater than p2. Then I want to reverse direction of time. I want the arrow of time to go so that the gas goes from p2 to p1.

一直推，一直推，p1大于,接下来我想让时间倒流,让气体从p2到p1。p2比p1小。

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If a change of direction is needed, the walking stick vibrates, and an arrow appears.

BBC: Fujitsu makes 'smart walking stick' to help elderly

If time truly has an arrow, though, some of these shifts will occur at a different rate when going in one direction rather than the other.

ECONOMIST: The arrow of time