Gaini盖尼gainn.获得；收益；增益v.获得；到达；增加；获利；(钟、表等)走得快gain-phase error幅相差gainful employment有收益的职业gainful occupation有报酬的职业gain tracking tube增益调节管gain a scholarship取得奖学金gain experience in获得...经验gaint power system巨型电力系统gain in population增加人口gain normalization增益归一化gain control range增益控制范围