释义 |
道数 dào shù 基本例句 number of channels道數在多道数字记录/读出磁头中,测量间隙变化的平行线与磁带在磁头组合件上运动的标定方向之间的夹角。In multi-channel digital magnetic record/playback heads, the angle between the parallel lines measuring gap scatter and the nominal direction of tape motion over the head assembly. |