英汉例句

• A backtracking interpolation theory based on the synthetic interpolation theory was expounded, a controlling program used to cutting straight line and quadratic curve has been developed successfully.

  论述了基于曲线合成插补理论的反向合成插补理论，研制出直线和二次曲线切割加工控制程序。

• But the quadratic curve can be used only in condition when each X-coordinate of the points sequence mapping to only one Y-coordinate, so it can「t be used in fitting closing curve.

  但二次多项式只能拟合x坐标与Y坐标之间成函数关系的点序列，无法拟合闭合曲线。

• The results showed that the change patterns of spacer length, ramet density, branching intensity, and branching Angle of Duchesnea indica were in a quadratic curve when the elevation increased.

  结果表明，随着海拔的增加，间隔子长度、分株密度、分枝角度和分枝强度呈二次曲线变化。

• In contrast to other methods, method of NURBS with weights can describe quadratic curve accurately and can be adopted by technology of engineer, but its geometrical characteristics was not obvious.

  与其它方法相比，NURBS方法引入权因子后能精确描述二次曲线，并被工程技术所采用，但存在几何特征不够直观的缺点。

• In this paper, we discuss some properties of the reversion for central quadratic curve on the basis of general reversion definitions and its transformations.

  在有心二次曲线的反演定义、变换式的基础上，推导出此种反演变换的一些性质，通常的关于圆的反演的性质可作为它的特例而得到。

• The problem of attaining the tangent equation of a certain point on a quadratic curve is basically solved in plane analytical geometry.

  平面解析几何对「求过二次曲线外的点所引曲线切线的方程」的问题，未给出一般的方法和公式。

• A new calculation is presented, in which the given functions or curves defined by dispersed coordinate points are approximated by quadratic curve in several parts.

  本文提出将给定函数或离散坐标点定义的曲线，分段用二次曲线拟合的计算方法。

• Feedback control is a parameter self tuning fuzzy controller and the burn through point is calculated by quadratic curve method.

  反馈部分为参数自调整模糊控制器，终点的计算采用二次曲线拟合法。

• The results show that the trace is similar to the quadratic curve predicted by theory.

  试验结果表明秸秆抛出后的轨迹遵从抛物线规律，同理论预测的结论一致。

• The paper, through analyzing the forming of the amplitude spectrum of the echo, proposed a new method using quadratic curve fitting for it.

  本文针对这种情况，对连续波雷达回波频谱幅度产生原因进行分析，提出了二次曲线拟合频谱幅度来估计加速度的方法。

• Problems about the existence of midpoint chord of quadratic curve is worthy of discussing in the study of the theories about quadratic curve.

  二次曲线中点弦存在性问题的探讨，对二次曲线的研究有着及其重要的意义。

• The quadratic curve is the necessary and sufficient condition of the noncentral curve as well as the equation」s representative form.

  二次曲线为非中心曲线的充要条件及方程表示形式。