The spectral dispersion of single-mode fiber is measured and the zero chromatic dispersion wavelength, the slope of dispersion vs. wavelength are obtained.

对单模光纤的色散谱进行测量，得出单模光纤的零色散波长和色度色散随波长变化的斜率。

youdao

An improved method which measures frequency through the slope of zero based on the cross-zero detecting is presented.

因此提出了一种改进的过零检测算法：零点斜率测频法。

youdao

At that time, the slope of stress-strain curve of the rock is zero.

此时岩体应力—应变曲线的斜率为零。

youdao

Sure, bonds have generated strong returns since then but that is partly because interest rates have been on a steady downward slope to zero, pushing up the value of bonds even as each new crop yields less.

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