excessn.超过；过量；过剩adj.过量的；额外的excess current过载电流excess voltage过电压,过压excess rapping[机] 敲型过度excess neutron过剩中子excess details过多的细节excess symptom过量征候excess postage应补的欠资邮费excess control超额控制excess surplus流动性过剩excess produce过剩的产品