An ellipse is defined by its bounding rectangle; an arc is a portion of an ellipse defined by a starting Angle and a sweep Angle.

椭圆是由其边框定义的；弧是椭圆的一部分，由一个起始角和一个扫描角定义。

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Changes of sidewall sweep Angle and cowl position can influence inlet performance such as mass capture, total pressure recovery coefficient and uniformity of isolator exit flow field.

侧板后掠角大小和整流罩位置变化时，对进气道的质量捕获、总压恢复系数和隔离段出口流场的均匀性等都有一定的影响。

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The influence of sweep angle and taper ratio on the characteristics of wingtip stalling is discussed.

讨论了后掠角和尖削比这两个机翼外形参数对翼尖失速特性的影响。

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Some structures simply can't support the bulk of 1, 000 lovers' dreams, so every now and then sparks fly in Seville as angle grinders sweep the bridge clean.

BBC: Locks say I love you

Other 3D shooting options include 3D Sweep Panorama mode and Sweep Multi Angle.

ENGADGET: Sony Cyber-shot TX55 packs 16.2-megapixel sensor, promises 'extremely low' noise in dim light

"For the first time, consumers will see advanced technology features like Sweep Panorama mode, HD video capture and bright, wide-angle lenses integrated into models across the Cyber-shot line at some of the most affordable price points, " said Kelly Davis, director of the Digital Imaging business at Sony Electronics.

ENGADGET: Sony announces six new W, H and T-series Cyber-shot point-and-shoots