Parsons recommended a method of automatic machine control that would guide a milling cutter to produce a "thru-axis curve" in order to generate smooth profiles on work pieces.
为了在工件上加工光滑的轮廓，帕森提出了一种自动的机床控制方式，它能够引导铣床刀具加工出一种“过轴曲线”。
The essence of the gray prediction model is to fit the known data sequence with an exponent form to a curve, and then extend the curve to the future in order to predict the unknown data.
灰色系统预测模型的本质是对已知数据序列进行类型为指数形式的曲线拟合，然后将此曲线延伸到未来，由此对未知的数据做出预测。
This paper introduce the math basis of Elliptic curve cryptography, and it 's cryptosystems, then provide a valid method to compute the order of Elliptic curve.
介绍了椭圆曲线密码体制的数学基础，及其应用模型，并为计算椭圆曲线的阶提出了一个有效的算法。
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