Ellipse shape tool.

椭圆形状工具。

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The working principle was analyzed for the middle-bulged varying ellipse shape of the two-freedom mechanism with the crank sliding-block mechanism and the cam mechanism.

分析了以曲柄滑块机构和凸轮机构为主动的二自由度机构成型活塞中凸变椭圆的工作原理。

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All tunnels have complex cross section with circular, rectangle, arch, ellipse shape, in accordance with the length of the tunnel is divided into short, medium length of the tunnel, long tunnel.

隧道按截面分为圆形、矩形、拱形、椭圆等形状，按照长度分为短隧道、中等长度隧道、长隧道。

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McIlwee and Damaschke built out a concrete terrace below the house and carved out a pool in the shape of an ellipse one of Mr. Lautner's trademark designs.

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