group-velocity英ɡ'ruːpvəl'ɒsɪtɪ美ɡ'ruːpvəl'ɒsɪtɪCOCA²³²²⁹⁵ 基本例句 群速度¹⁰⁰ The detailed physical process of the group-velocity dispersion- induced initial frequency chirped Gaussian pulses broadening is studied through solving non-linear Schrodinger equation. 通过求解非线性薛定谔方程,研究了线性光纤中色散导致的具有初始频率啁啾的高斯脉冲展宽的详细物理过程。 cnki