Six identical triangles can be formed by drawing two straight lines through an octagon's center point.

经过八角形的中心画两条直线，能够得到六个一样的三角形。

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Take a second leaf and fold the center point down.

拿第二张叶子，把中间的叶尖折下。

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We're just like a compass and she is the center point.

我们就像是圆规而她就是圆心。

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Angus Nicoll of the European Center for Disease Prevention says that at this point no one knows whether the virus will become more or less virulent in the months ahead.

VOA: standard.2009.04.30

So even though we see a nodal plane down the center, I just want to really point out that it's only when we have a nodal plane in the internuclear or the bond axis that we're calling that a pi orbital.

虽然在中间有个节面，我想要指出的是,只有节面在核间轴,或者键轴上时,我们才叫它π轨道。

麻省理工公开课 - 化学原理课程节选

er is a vector at each point of length one pointing radially away from the center.

r 是一个模长恒为 1 的矢量,方向沿半径向外

耶鲁公开课 - 基础物理课程节选

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In other words the farther out from the center point the less accurate the measurements.

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If you have already created code for laying out labels according to the bottom or center point, your text will move around a little and you will need to adjust your constraints.

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