Analysis of the forming principle of tooth flank of modified type worm gear pair was based on different geometry and spatial engaging theory.
基于微分几何和空间啮合理论，分析了修正型圆环面双包络环面蜗杆副齿面形成原理。
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…
通过这四个矢量，利用空间解析几何的知识，最终推导出观测视场上风场的水平和垂直方向的矢量分量。
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…
通过这四个矢量，利用空间解析几何的知识，最终推导出观测视场上风场的水平和垂直方向的矢量分量。
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