This is the center circle of the pattern.

这是图案的中心圈。

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Erected in the center circle with a vertical bar disk.

在圆周的圆心竖一根与盘面垂直的直杆。

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According to conventional sequence solidification principles, de-signing riser size of heavy castings by proportionally magnifying the heat center circle is wrong.

传统的顺序凝固原则，是按热节圆比例放大的方法确定厚大铸铁件的冒口，其中存在错误。

youdao

They have a center,and arms of matter that seem to circle the center like a pinwheel.

VOA: special.2009.04.29

When a particle moves in a circle, it has an acceleration towards the center of this size, v^2 over R.

当一个质点在圆周上运动时,它有一个指向圆心的加速度,v^2 / R

耶鲁公开课 - 基础物理课程节选

That means the acceleration is pointing towards the center of the circle and it has a magnitude a.

也就是说加速度,始终指向圆心,其模长为 a

耶鲁公开课 - 基础物理课程节选

Next he uses a delicate kitchen knife to cut out scallop shapes around the center circle.

CNN: Carving up a spooky Halloween

Plows and shovels were used to clear the penalty areas, center circle and midfield stripe as snow got heavier, and a yellow-and-purple ball was used.

WSJ: Americans Beat Costa Rica 1-0 in Snow

After the final whistle, the fans in their superhero outfits went quiet for the first time all morning while both teams gathered in the center circle, eyes closed and heads bowed.

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