• 试验表明新型焊机满足椭圆轨迹焊接要求,且方便换型,具有较大推广应用价值

    The welding experiments show that the new machine can meet the requirements of ellipse tracking and be worthy to speed the production applications.

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  • 艾萨克·牛顿其后发现彗星沿椭圆轨迹移动,处于环绕太阳椭圆轨道上,他还准确地预测了彗星能够一次一次地回归

    Isaac Newton later discovered that comets move in elliptical, oval-shaped orbits around the Sun, and correctly predicted that they could return again and again.

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  • 太阳年内轨迹形成这种形状是因为地球围绕着与太阳略微不同旋转,我们地球沿着椭圆轨道运行。

    The sun makes this shape over a year because Earth rotates on a slightly different axis than the sun, and our planet also travels on an elliptical orbit.

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  • 接着开普勒证明这个椭圆轨道也能有效解释其他行星运行轨迹然后他提出了行星运动定律牛顿定律就是以此为理论基础的。

    Kepler went on to show that an elliptical orbit is sufficient to explain the movement of the other planets and to devise the laws of planetary motion that Newton built on.

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  • 落叶松肋骨架是建筑主要承重部分,它们遵循椭圆平面的轨迹垂直建筑立面

    Larch ribs forms the buildings' skeletons. They follow the line of the enclosures' oval floors, perpendicular to the facade.

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  • 地球太阳轨迹椭圆的。

    The Earth's path round the sun is elliptic.

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  • 地球太阳轨迹椭圆的。

    The Earth's path round the sun is elliptical.

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  • 本文介绍了一种空间曲线轨迹铣削加工方法适用加工各种圆柱面上的空间圆形、椭圆以及一些其它形式的曲线轨迹

    A milling method of curves in space is introduced in the paper, which can be applied to the processing of space circular, elliptic and other curves on various cylinders.

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  • 共面编队飞行卫星星座相对运动轨迹椭圆卫星由于受摄动力的影响,椭圆队形发生变化

    The figure of the relative kinematical track of the formation flying will change which is in an ellipse because of the disturbing force from which the satellites suffer.

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  • 根据动力学原理探讨椭圆振动筛椭圆运动轨迹形成及其影响因素,分析附加扭矩运动的影响。

    By means of dynamic analysis of elliptical vibrating screen with double-axle, the effect of additional torque on the moving track of the vibrating screen case is discussed.

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  • 但是可以重新划分各个部分轨迹各个部分中是单调函数,从而完成插补

    However, interpolation can be implemented by re-dividing each quadrant to make the diagonal ellipse arc locus in each part monotonic function.

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  • 坐标系中的每个象限轨迹不是单调函数因此不能各个象限进行插补

    The diagonal ellipse arc in each quadrant of primary reference frame is not a monotonic function, so it is impossible to implement interpolation according to each quadrant.

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  • 本文提出了由条二次曲线该二次曲线共面的条异直线导线,与该三导线均相交直线轨迹一个直次曲面,并讨论了二次曲线分别为椭圆、双曲线和抛物线时,形成的曲面的形状特征。

    In this paper, it is presented that the locus of a line crossedwith each of two guide lines and a guide conic not being on a commonplane is a ruled surface of fourth order.

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  • 研究了二次抛物线型GRIN透镜光线轨迹方程序;得出轨迹椭圆曲线一些重要结论

    At last, the author obtained the equation of ray trace in the GRIN ball lens with the index profile which is quadratic and drew some important conclusions.

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  • 分析得出目前广泛应用钻井现场各种运动轨迹振动筛中平动椭圆运动轨迹的振动筛筛分效果最好

    Analysis for a variety of vibrating screen are widely used in drilling that balanced elliptical vibration screen is the best.

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  • 椭圆齿轮行星系分插机构是高速水稻插秧机旋转式分插机构 ,其秧针尖的运动轨迹姿态决定了插秧机工作性能

    The separating planting mechanism with planetary elliptic gears of high performance rice transplanter made in Japan could not meet the agronomic demand in South China.

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  • 利用人因工程学理论方法,对椭圆机构形式、踏板把手轨迹结构尺寸飞轮机构、运动负载进行了分析。

    Elliptical cross trainers are studied in the viewpoint of ergonomics, including the kinematics schema, loci of pedal and handle, parts dimensions, flywheel and loads, etc.

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  • 本文提出了由曲线与该二次曲线面的两条异面直线为导线,与该三导线均相交直线轨迹一个直纹曲面,并讨论了二次曲线分别椭圆、双曲线抛物线时,形成的曲面的形状特征。

    It is presented that the locus of a line crossed with each of two guide line and a guide conic not being on a common plane is a ruled surface of fourth order.

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  • 文中分析、证明了3 -RPS并联角台机构能实现空间三维卡当运动,其三维卡当运动在空间的运动轨迹三坐标方向的椭圆

    It is proved that the 3-rps pyramid mechanism also has the three-dimensional CARDAN motion and the kinematic trajectory is an ellipse cluster.

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  • 根据本文所述方法,已经研制成功了具有平动椭圆运动轨迹PTZS振动筛。

    According to the method presented in the paper, "PTZS" vibrating-screen with parallel motion...

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  • 根据本文所述方法,已经研制成功了具有平动椭圆运动轨迹PTZS振动筛。

    According to the method presented in the paper, "PTZS" vibrating-screen with parallel motion...

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