Why does Santa's sleigh get such good mileage?

The sleigh flies back to the North Pole for more presents.

雪橇飞回北极去拿更多的礼物。

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Scientists have also calculated the size of Santa's sleigh.

科学家还计算了Santa的雪橇大小。

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Signal Reconstruction Method Based on Trigonometric Spline Wavelet Transform and Trigonometric Spline Interpolation

基于三角样条小波变换和三角样条插值信号重构方法

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The feasibility of using trigonometric leveling methods of GPS Baseline

论实施GPS基线三角高程测量的可能性

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Precision Analysis and Comparison of EDM Trigonometric Leveling Methods

电子测距三角高程测量方法的精度分析与比较

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Trigonometric leveling with refraction amendment based on temperature gradient and its application

用气温梯度进行折光改正的三角高程测量及应用

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The Trigonometric Function Method for Symmetrical Bending of Cantilever Rectangular Plates

悬臂矩形板对称弯曲的三角函数解法

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Study and application of city trigonometric vertical traversing

城市三角高程导线测量的研究及应用

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Trigonometric Polynomial B é zier Curve Interpolation and Its Error Analysis

三角Bézier曲线插值及其误差分析

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After trigonometric function used in simplifying solutions, a simple algorithm is deduced.

并且利用三角函数知识，将其进行化简，从而得到一种简化算法。

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Theoretical solutions of complex dual integral equations on the more general form with trigonometric function

含三角函数的一般形式复杂对偶积分方程组的理论解

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Trigonometric B é zier curves with multiple shape parameters are also discussed.

此外，还讨论了多形状参数的三角Bézier曲线的情况。

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Trigonometric regression is widely used in medical sciences, biology and engineering.

三角回归被广泛地应用在医学、生物科学和工程技术等方面。

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Total Station Trigonometric Leveling in the Application of geological Survey

全站仪三角高程测量在地质勘查中的应用

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B é zier Curves and Surfaces Modeling Based on Trigonometric Functions

基于三角函数的BéZIER曲线曲面造型方法

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Trigonometric spline wavelet and its application to detection of electric motor faults

三角样条小波（TSW）及其在电机故障检测中的应用

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Accuracy Analysis of Trigonometric Leveling by Total Station in Precise Engineering Survey

精密工程测量中全站仪三角高程精度分析

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Trigonometric Function Acceleration& Deceleration Algorithm Based on Function Approximation

基于函数逼近的三角函数加减速方法

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Deviation equation of magnetic compass based on a set of trigonometric function

基于三角函数系的磁罗经自差校正方程

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Application of Trigonometric Function in Numerical Control Programme Manually

三角函数在数控手工编程中的应用

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