当光伏孤子强度比值较小时，孤子的半高宽度随着时间单调递减达到一个稳定常数；
When the intensity ratio of PV soliton is smaller, the full width of half maximum (FWHM) of PV solitons decreases monotonically to a constant value;
当光伏孤子强度比值较小时，孤子的半高宽度随着时间单调递减达到一个稳定常数；
When the intensity ratio of PV soliton is smaller, the full width of half maximum (FWHM) of PV solitons decreases monotonically to a constant value;
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