the method of target practice 基本例句 打靶法 Based on the simple and effective modle of Raman fiber amplifier, Raman gains under different parameters are computed with the help of average power and shooting method.摘要借助简化的拉曼光纤放大器数学模型，利用平均功率法和打靶法分别计算出了不同参数下多波长泵浦的拉曼增益。