The DXF and DWG file formats also support arcs and circles, which you can approximate in your output formats by creating multiple small line segments approximating the circle or arc.
DXF和DWG文件格式还支持弧和圆，您可以在输出格式中通过创建多个小线段来近似模拟圆或弧。
First in this plan, Hamas wants to expand the circle of countries that support it and chip away at the bloc opposing it.
首先，在哈马斯的计划里想有更多的国家来支持他并消除不支持他的欧盟国家。
Increased spending will lead to higher incomes and profits that, in a virtuous circle, will further support economic expansion.
消费增加会带来更高的收入和利润，从而进一步推动经济增长。这是一个良性循环。
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