• Analysis of the forming principle of tooth flank of modified type worm gear pair was based on different geometry and spatial engaging theory.

    基于微分几何空间啮合理论,分析修正圆环面包络环面蜗杆齿形成原理

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  • The horizontal and vertical wind sections of the observed field can be obtained by spatial analytic geometry operation and analysis based on the four ort

    通过四个矢量,利用空间解析几何知识,最终推导出观测视场上风场的水平垂直方向的矢量分量。

    youdao

  • The horizontal and vertical wind sections of the observed field can be obtained by spatial analytic geometry operation and analysis based on the four ort

    通过四个矢量,利用空间解析几何知识,最终推导出观测视场上风场的水平垂直方向的矢量分量。

    youdao

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