coin envelope
- 相似词
- 更多 网络例句 与coin envelope相关的网络例句 [注：此内容来源于网络，仅供参考]
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The LMD algorithm uses extrema to define the local mean and envelope, then to smooth the mean and envelope. To decrease errors in the smoothing process by using moving averaging, a new local mean and envelope definition method (the spline-based LMD) is proposed. The upper envelope and the lower envelope are obtained by connecting the local maxima and the local minima using a cubic spline line. The local mean is defined as a mean of the upper envelope and the lower envelope. A nonlinear simulation signal and a practical vibration signal are decomposed by the LMD and the spline-based LMD.
LMD算法用极值点来定义局部均值函数和局域包络函数，然后用滑动平均来平滑均值和包络函数，针对用滑动平均平滑均值和包络函数误差较大的缺点，提出了采用三次样条对上、下极值点分别插值求得上下包络线，然后由上下包络线的平均获得局部平均函数，由上下包络线相减的绝对值获得局部包络的方法。
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A great coin trick is to put a silver coin in the bottom of a coffee cup, add coffee until the coin disappears, then add aquavit until the coin reappears.
众所周知的硬币游戏是把银币在咖啡杯的底部，倒入咖啡直到硬币消失，然后添加白兰地，直到硬币再次出现。
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A one-cent coin is a penny, a five-cent coin is a nickel, a ten-cent coin is a dime, and a 25-cent coin is a quarter.
也有1美元和50美分的硬币，但很少见。
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envelope chemise：筒型女式内衣
envelope bag 信封式袋 | envelope chemise 筒型女式内衣 | envelope delay distortion meter 包络延迟失真测量仪
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envelope of a family of curves：曲线族的包络
envelope curve 包络曲线 | envelope of a family of curves 曲线族的包络 | envelope of a family of surfaces 曲面族的包络
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envelope glycoprotein：包膜糖蛋白
envelope conformation 信封(型)构象 | envelope glycoprotein 包膜糖蛋白 | envelope protein 包膜蛋白