To design and control the virtual axis drill point grinding machine, mathematical representation to describe the drill point configuration is badly needed.
要设计和控制虚轴钻尖刃磨机，首先要建立描述钻头的数学模型。
With the consideration of the varying load of power system, a complete mathematical representation of dynamic reactive power optimization and its calculation method are presented.
根据电力系统实际运行中负荷不断变化的情况，提出了动态无功优化问题的完整数学描述和计算方法。
In this paper, we give a new mathematical representation, which can present the "8" -shape trace visually with graphic representation and give height and width of the "8" -shape trace in a simple way.
本文给出新的数学表达式，能用图示法形象直观地描绘出“8”字形轨迹，并简明地给出“8”字形的高度和宽度。
In this paper, we give a new mathematical representation, which can present the "8" -shape trace visually with graphic representation and give height and width of the "8" -shape trace in a simple way.
本文给出新的数学表达式，能用图示法形象直观地描绘出“8”字形轨迹，并简明地给出“8”字形的高度和宽度。
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