During summer on the top half of Earth, our planet is actually farther from the sun than during winter, a fact owing to our non-circular orbit around the sun.

在地球的上半部分为夏季的时候，实际上这时的地球离开太阳的距离比在冬季还要远。所以会这样，是由于我们围绕太阳运行的轨道，并不是圆的。

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The system runs well. It provides a method of digital design of non-circular gear drive.

系统运行效果良好，为非圆齿轮传动提供了一种数字化设计方法。

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Such a non-circular shape will alter the birefringence property of the fiber and influence the polarization behavior of the laser.

这种非圆形结构会改变光纤双折射特性，从而影响输出激光的偏振特性。

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It would have 80 independently rotating, non-circular floors.

ECONOMIST: Monitor

The chamber was packed, with the MEPs - including Robert Kilroy-Silk making a very rare appearance, sitting in the non-aligned section with Jean Marie le Pen et al - parked behind their computer screens in semi-circular rows.

BBC: My week as an MEP - Tuesday

But again, if you accept the circular logic of appeasement - that always puts the burden of proof on the non-aggressor - then you will never learn these, or any other lessons.

CENTERFORSECURITYPOLICY: The Path to the Next Lebanon War