Gainon盖农gainn.获得；收益；增益v.获得；到达；增加；获利；(钟、表等)走得快gain and phase uncertainties幅相误差gain admittance into a place进入某处gain on insurance adjustment[经] 保险调整收益gain an advantage of/over胜过 ...； 比 ... 处于有利地位gain of photomultiplier tube光电倍增管的增益gains of capital utilization资金运用收益Gain extra credits in school在学校修得额外的学分gain from redemption of bond[经] 偿还债券(公债)收益gainfully occupied population[法] 有报酬职业人口gain dominance over ...对 ... 取得优势，支配 ...

1. The distortion generated from interaction between the gain slope of EDFA and the DFB laser chirp was formulated.
   还推导出掺铒光纤放大器的增益斜率与光源调制频率啁啾相互作用产生的二阶和三阶非线性失真的表达式及其传播规律。