The information risk in supply chain, the bull whip effect, was described, that was inverse selection in the supply chain and moral degeneration.
笔者首先论述了供应链的信息风险，即牛鞭效应，供应链中的逆向选择、败德行为；
The method USES the DC component and the first harmonic of a curve's chain code expressed by Fourier series to fit the curve, avoiding the inverse calculation of an array used in general methods.
该方法利用闭合曲线的傅立叶级数表示的直流分量和一次分量实现对闭合曲线的椭圆拟合，可以避免通常椭圆拟合方法中的矩阵求逆问题。
A new solution for inverse kinematics equation of 6 DOF robotic manipulator with local closed chain is presented.
给出了机器人逆运动问题中六自由度局部闭链操作臂逆运动方程的一种新解法。
Exact N-soliton trains in a spin chain driven by a time-dependent magnetic field are obtained by means of an inverse scattering transformation.
用逆散射方法，得到了含时外磁场驱动下一维自旋链的N孤子解。
Exact N-soliton trains in a spin chain driven by a time-dependent magnetic field are obtained by means of an inverse scattering transformation.
用逆散射方法，得到了含时外磁场驱动下一维自旋链的N孤子解。
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