gaine(只刻出头部的) 半身雕像的下半部； n.；半身雕像的下半部gainn.获得；收益；增益v.获得；到达；增加；获利；(钟、表等)走得快gain-band merit增益带宽指标gain market share获得市场份额gain equalization增益均衡Gain-controlled可控增益gain time control增益时间控制Gain-scheduling增益调度gain in precision精确度增益gain-loss model得失模型gain from illness因病得益gain admission to获准进入