So for this system, in order to realize long distance transmission, the optical fiber dispersion coefficient must be small.
显然，对这种系统，要实现长距离传输，必须采用较低色散系数光纤。
Theory and experiment show that bandwidth of FOPA depends on pumping wavelength and pumping power, optical fiber nonlinear coefficient as well as dispersion characteristics.
理论和实验研究表明，参量放大的带宽取决于泵浦波长和泵浦功率、光纤非线性系数、光纤的色散特性。
The rotational dispersion coefficient of the fiber in the turbulent shear flow of fiber suspension was studied theoretically.
对纤维悬浮剪切湍流中纤维旋转扩散系数进行了理论研究。
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