Remember, we've talked about these two arcs out here, the northern and southern arcs.

请记住，我们在这里谈论的是这两个弧，南北两个弧形地带。

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At that time the cast ingot shape is a saddle, two arcs, the middle waist, and the gold and silver collar is very similar in shape.

当时所铸元宝形呈马鞍，两端圆弧，中间束腰，在形制上与南宋和金的银铤十分相近。

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The sealing ring cross section is V-shaped, and inner groove between two side edges composed the V-shaped is formed by tangency of two arcs with different radiuses.

密封圈的横截面呈＂V＂字形，构成＂V＂字形的两个侧边条之间的内槽由两个半径不等的圆弧相切而成。

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Push a button and the ballerina's tutu becomes the wings of a butterfly that flutter along two arcs of numerals.

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If I roll them evenly, this disproportionate edge pressure remains, and at a high speed the skis bend into two differently shaped arcs, rather than ideally parallel twins, meaning they are making two different turns of different radii and different speeds, and occasionally this results in a seemingly unexplainable fall.

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Then have a look at the two charts which illustrate the arcs of Woods's performance in the World Golf Rankings and the DJIA the past 10 years.

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