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将线端放在弧中心上,并将黄色的菱形放在弧线上。
Place line end at arc center, and yellow diamond on arc.
youdao
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请注意,从中心开始数的第三个弧未填充。
Notice that the third arc from the center is not filled.
youdao
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请注意,从中心开始数的第三个弧未填充。
Notice that the third arc from the center is not filled.
youdao