1、
The cutting edge the drill is the intersection the hyperboloid and the spiral rake face.
该钻型主刃是双曲面与螺旋前刀面的交线,此交线与钻头端剖面形成的交点是主刃上的点.
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2、
The mathematical model of the hyperboloid twist drill was introduced.
介绍了以旋转单叶双曲面作麻花钻钻尖后刀面的数学模型.
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3、
The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
作者证实:单叶双曲面和双曲抛物面是直线曲面.
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4、
北京首都机场T3航站楼屋顶为大跨度双曲面钢网架结构,吊顶采用半开放的金属条形板.
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5、
The authors showthe hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
单叶双曲面和双曲抛物面是直线曲面.
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7、
预应力双曲抛物面索网因其几何非线性而使精确求解困难。作者将配线法与Galerkin法结合使用计算该类具有复杂底平面的索网结构。
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