DCVn.设计更改检验dcabbr.直流(=direct current)abbr.哥伦比亚特区(=District of Columbia)dc switch直流开关DC filter直流滤波器DC drives直流驱动器DC caster半连续铸造机Dcbartolo德巴尔托洛DC corona直流电晕dc -wnd拥塞丢包窗口DC offset直流偏移DC sensor直流传感器dctl gate直接耦合晶体管逻辑门

1. The experimental results show this method could give better coding efficiency than the traditional DCT image coding.
   实验结果表明该方法的编码效率优于离散余弦变换编码。