例句: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.录音设备上的一种装置,它能精确地把重放磁头或组