Mostly the artists shared techniques or palettes, schools or circles.

之前联诀的大部分艺术家或技法相似或色调相近；或同门同派或交际重叠。

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These math circles cost nothing, or they're very cheap for students to get involved in, but you have to know about them.

这些数学圈子不花钱，或者对学生来说，想要参与其中也非常便宜，但是你必须了解它们。

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But some, and this is interesting, move straight west while some zigzag or even move in large circles.

但是有趣的是，其中有一些会朝西直线移动，而另外的则会曲折前行，或者甚至绕着大圈子移动。

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These lines,or circles,are parallel -- meaning that they are equally distant from each other at any point around the world.

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They measured the rings,or circles, inside thousands of ancient trees in more than three hundred places.

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The final product is supposed to produce a top that can not only move in circles, but write or scribble.

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Touch is designed to be simple to use with no need for groups or circles.

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Critics of unions are no longer confined to management or conservative political circles.

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The first stage cycles through levels of brightness in the image to see which features, such as logos, circles or ridges, persist at extremes of light and dark.

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